Home / 3,752.31-5,629.08-1,561.20

Finding the Fourth Proportional to 3,752.31, 5,629.08 and 1,561.20

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Solution

The fourth proportional to 3,752.31, 5,629.08 and 1,561.20 is: 2,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.31 : 5,629.08 = 1,561.20 : x
  2. Step 2: Convert to fraction form
    3,752.31/5,629.08 = 1,561.20/x
  3. Step 3: Cross multiply
    3,752.31x = 5,629.08 × 1,561.20
  4. Step 4: Simplify right side
    3,752.31x = 8,788,119.70
  5. Step 5: Solve for x
    x = 8,788,119.70/3,752.31
  6. Step 6: Final answer
    x = 2,342.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.