Home / 3,712.30-5,568.96-1,247.31

Finding the Fourth Proportional to 3,712.30, 5,568.96 and 1,247.31

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Solution

The fourth proportional to 3,712.30, 5,568.96 and 1,247.31 is: 1,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.30 : 5,568.96 = 1,247.31 : x
  2. Step 2: Convert to fraction form
    3,712.30/5,568.96 = 1,247.31/x
  3. Step 3: Cross multiply
    3,712.30x = 5,568.96 × 1,247.31
  4. Step 4: Simplify right side
    3,712.30x = 6,946,201.50
  5. Step 5: Solve for x
    x = 6,946,201.50/3,712.30
  6. Step 6: Final answer
    x = 1,871.13

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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.