Home / 2,516.95-3,473.02-1,397.90

Finding the Fourth Proportional to 2,516.95, 3,473.02 and 1,397.90

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Solution

The fourth proportional to 2,516.95, 3,473.02 and 1,397.90 is: 1,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.95 : 3,473.02 = 1,397.90 : x
  2. Step 2: Convert to fraction form
    2,516.95/3,473.02 = 1,397.90/x
  3. Step 3: Cross multiply
    2,516.95x = 3,473.02 × 1,397.90
  4. Step 4: Simplify right side
    2,516.95x = 4,854,913.80
  5. Step 5: Solve for x
    x = 4,854,913.80/2,516.95
  6. Step 6: Final answer
    x = 1,928.89

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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.