Home / 2,516.70-3,473.08-1,397.71

Finding the Fourth Proportional to 2,516.70, 3,473.08 and 1,397.71

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Solution

The fourth proportional to 2,516.70, 3,473.08 and 1,397.71 is: 1,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.70 : 3,473.08 = 1,397.71 : x
  2. Step 2: Convert to fraction form
    2,516.70/3,473.08 = 1,397.71/x
  3. Step 3: Cross multiply
    2,516.70x = 3,473.08 × 1,397.71
  4. Step 4: Simplify right side
    2,516.70x = 4,854,341.28
  5. Step 5: Solve for x
    x = 4,854,341.28/2,516.70
  6. Step 6: Final answer
    x = 1,928.86

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1.5x scale

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.