Home / 2,613.76-3,632-2,581.12

Finding the Fourth Proportional to 2,613.76, 3,632 and 2,581.12

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Solution

The fourth proportional to 2,613.76, 3,632 and 2,581.12 is: 3,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.76 : 3,632 = 2,581.12 : x
  2. Step 2: Convert to fraction form
    2,613.76/3,632 = 2,581.12/x
  3. Step 3: Cross multiply
    2,613.76x = 3,632 × 2,581.12
  4. Step 4: Simplify right side
    2,613.76x = 9,374,627.84
  5. Step 5: Solve for x
    x = 9,374,627.84/2,613.76
  6. Step 6: Final answer
    x = 3,586.64

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.