Home / 3,712.43-5,568.65-1,247.50

Finding the Fourth Proportional to 3,712.43, 5,568.65 and 1,247.50

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Solution

The fourth proportional to 3,712.43, 5,568.65 and 1,247.50 is: 1,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.43 : 5,568.65 = 1,247.50 : x
  2. Step 2: Convert to fraction form
    3,712.43/5,568.65 = 1,247.50/x
  3. Step 3: Cross multiply
    3,712.43x = 5,568.65 × 1,247.50
  4. Step 4: Simplify right side
    3,712.43x = 6,946,896.28
  5. Step 5: Solve for x
    x = 6,946,896.28/3,712.43
  6. Step 6: Final answer
    x = 1,871.25

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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.