Home / 3,661.38-5,053.23-2,775.69

Finding the Fourth Proportional to 3,661.38, 5,053.23 and 2,775.69

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Solution

The fourth proportional to 3,661.38, 5,053.23 and 2,775.69 is: 3,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.38 : 5,053.23 = 2,775.69 : x
  2. Step 2: Convert to fraction form
    3,661.38/5,053.23 = 2,775.69/x
  3. Step 3: Cross multiply
    3,661.38x = 5,053.23 × 2,775.69
  4. Step 4: Simplify right side
    3,661.38x = 14,026,199.98
  5. Step 5: Solve for x
    x = 14,026,199.98/3,661.38
  6. Step 6: Final answer
    x = 3,830.85

Related Problems

Find fourth proportional to 1,830.69, 2,526.62 and 1,387.85
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.