Home / 3,557.40-5,331.32-2,571.92

Finding the Fourth Proportional to 3,557.40, 5,331.32 and 2,571.92

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Solution

The fourth proportional to 3,557.40, 5,331.32 and 2,571.92 is: 3,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.40 : 5,331.32 = 2,571.92 : x
  2. Step 2: Convert to fraction form
    3,557.40/5,331.32 = 2,571.92/x
  3. Step 3: Cross multiply
    3,557.40x = 5,331.32 × 2,571.92
  4. Step 4: Simplify right side
    3,557.40x = 13,711,728.53
  5. Step 5: Solve for x
    x = 13,711,728.53/3,557.40
  6. Step 6: Final answer
    x = 3,854.42

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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.