Home / 4,029.90-5,561.16-2,261.48

Finding the Fourth Proportional to 4,029.90, 5,561.16 and 2,261.48

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Solution

The fourth proportional to 4,029.90, 5,561.16 and 2,261.48 is: 3,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.90 : 5,561.16 = 2,261.48 : x
  2. Step 2: Convert to fraction form
    4,029.90/5,561.16 = 2,261.48/x
  3. Step 3: Cross multiply
    4,029.90x = 5,561.16 × 2,261.48
  4. Step 4: Simplify right side
    4,029.90x = 12,576,424.31
  5. Step 5: Solve for x
    x = 12,576,424.31/4,029.90
  6. Step 6: Final answer
    x = 3,120.78

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Half scale
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Double scale
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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.