Home / 2,516.73-3,473.30-1,397.90

Finding the Fourth Proportional to 2,516.73, 3,473.30 and 1,397.90

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Solution

The fourth proportional to 2,516.73, 3,473.30 and 1,397.90 is: 1,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.73 : 3,473.30 = 1,397.90 : x
  2. Step 2: Convert to fraction form
    2,516.73/3,473.30 = 1,397.90/x
  3. Step 3: Cross multiply
    2,516.73x = 3,473.30 × 1,397.90
  4. Step 4: Simplify right side
    2,516.73x = 4,855,326.07
  5. Step 5: Solve for x
    x = 4,855,326.07/2,516.73
  6. Step 6: Final answer
    x = 1,929.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.