Home / 1,350.17-2,025.23-656.72

Finding the Fourth Proportional to 1,350.17, 2,025.23 and 656.72

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Solution

The fourth proportional to 1,350.17, 2,025.23 and 656.72 is: 985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.17 : 2,025.23 = 656.72 : x
  2. Step 2: Convert to fraction form
    1,350.17/2,025.23 = 656.72/x
  3. Step 3: Cross multiply
    1,350.17x = 2,025.23 × 656.72
  4. Step 4: Simplify right side
    1,350.17x = 1,329,995.64
  5. Step 5: Solve for x
    x = 1,329,995.64/1,350.17
  6. Step 6: Final answer
    x = 985.06

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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.