Home / 2,613.97-3,921.72-1,053.17

Finding the Fourth Proportional to 2,613.97, 3,921.72 and 1,053.17

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Solution

The fourth proportional to 2,613.97, 3,921.72 and 1,053.17 is: 1,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.97 : 3,921.72 = 1,053.17 : x
  2. Step 2: Convert to fraction form
    2,613.97/3,921.72 = 1,053.17/x
  3. Step 3: Cross multiply
    2,613.97x = 3,921.72 × 1,053.17
  4. Step 4: Simplify right side
    2,613.97x = 4,130,214.29
  5. Step 5: Solve for x
    x = 4,130,214.29/2,613.97
  6. Step 6: Final answer
    x = 1,580.06

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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.