Home / 2,516.60-3,472.94-1,397.55

Finding the Fourth Proportional to 2,516.60, 3,472.94 and 1,397.55

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Solution

The fourth proportional to 2,516.60, 3,472.94 and 1,397.55 is: 1,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.60 : 3,472.94 = 1,397.55 : x
  2. Step 2: Convert to fraction form
    2,516.60/3,472.94 = 1,397.55/x
  3. Step 3: Cross multiply
    2,516.60x = 3,472.94 × 1,397.55
  4. Step 4: Simplify right side
    2,516.60x = 4,853,623.81
  5. Step 5: Solve for x
    x = 4,853,623.81/2,516.60
  6. Step 6: Final answer
    x = 1,928.64

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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.