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Finding the Fourth Proportional to 2,613.52, 3,608.40 and 2,014.90

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Solution

The fourth proportional to 2,613.52, 3,608.40 and 2,014.90 is: 2,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.52 : 3,608.40 = 2,014.90 : x
  2. Step 2: Convert to fraction form
    2,613.52/3,608.40 = 2,014.90/x
  3. Step 3: Cross multiply
    2,613.52x = 3,608.40 × 2,014.90
  4. Step 4: Simplify right side
    2,613.52x = 7,270,565.16
  5. Step 5: Solve for x
    x = 7,270,565.16/2,613.52
  6. Step 6: Final answer
    x = 2,781.91

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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.