Home / 2,590.68-3,884.45-1,165.66

Finding the Fourth Proportional to 2,590.68, 3,884.45 and 1,165.66

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Solution

The fourth proportional to 2,590.68, 3,884.45 and 1,165.66 is: 1,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.68 : 3,884.45 = 1,165.66 : x
  2. Step 2: Convert to fraction form
    2,590.68/3,884.45 = 1,165.66/x
  3. Step 3: Cross multiply
    2,590.68x = 3,884.45 × 1,165.66
  4. Step 4: Simplify right side
    2,590.68x = 4,527,951.39
  5. Step 5: Solve for x
    x = 4,527,951.39/2,590.68
  6. Step 6: Final answer
    x = 1,747.78

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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.