Home / 3,115.05-4,298.76-1,698.73

Finding the Fourth Proportional to 3,115.05, 4,298.76 and 1,698.73

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Solution

The fourth proportional to 3,115.05, 4,298.76 and 1,698.73 is: 2,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.05 : 4,298.76 = 1,698.73 : x
  2. Step 2: Convert to fraction form
    3,115.05/4,298.76 = 1,698.73/x
  3. Step 3: Cross multiply
    3,115.05x = 4,298.76 × 1,698.73
  4. Step 4: Simplify right side
    3,115.05x = 7,302,432.57
  5. Step 5: Solve for x
    x = 7,302,432.57/3,115.05
  6. Step 6: Final answer
    x = 2,344.24

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,116.05, 4,300.14 and 1,699.73
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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.