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Finding the Fourth Proportional to 2,600.29, 3,901.95 and 1,613.71

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Solution

The fourth proportional to 2,600.29, 3,901.95 and 1,613.71 is: 2,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.29 : 3,901.95 = 1,613.71 : x
  2. Step 2: Convert to fraction form
    2,600.29/3,901.95 = 1,613.71/x
  3. Step 3: Cross multiply
    2,600.29x = 3,901.95 × 1,613.71
  4. Step 4: Simplify right side
    2,600.29x = 6,296,615.73
  5. Step 5: Solve for x
    x = 6,296,615.73/2,600.29
  6. Step 6: Final answer
    x = 2,421.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.