Home / 3,125.41-4,688.94-1,151.28

Finding the Fourth Proportional to 3,125.41, 4,688.94 and 1,151.28

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Solution

The fourth proportional to 3,125.41, 4,688.94 and 1,151.28 is: 1,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.41 : 4,688.94 = 1,151.28 : x
  2. Step 2: Convert to fraction form
    3,125.41/4,688.94 = 1,151.28/x
  3. Step 3: Cross multiply
    3,125.41x = 4,688.94 × 1,151.28
  4. Step 4: Simplify right side
    3,125.41x = 5,398,304.74
  5. Step 5: Solve for x
    x = 5,398,304.74/3,125.41
  6. Step 6: Final answer
    x = 1,727.23

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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.