Home / 1,516.85-2,273.13-1,207.32

Finding the Fourth Proportional to 1,516.85, 2,273.13 and 1,207.32

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Solution

The fourth proportional to 1,516.85, 2,273.13 and 1,207.32 is: 1,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.85 : 2,273.13 = 1,207.32 : x
  2. Step 2: Convert to fraction form
    1,516.85/2,273.13 = 1,207.32/x
  3. Step 3: Cross multiply
    1,516.85x = 2,273.13 × 1,207.32
  4. Step 4: Simplify right side
    1,516.85x = 2,744,395.31
  5. Step 5: Solve for x
    x = 2,744,395.31/1,516.85
  6. Step 6: Final answer
    x = 1,809.28

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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.