Home / 3,191.62-4,781.95-2,535.52

Finding the Fourth Proportional to 3,191.62, 4,781.95 and 2,535.52

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Solution

The fourth proportional to 3,191.62, 4,781.95 and 2,535.52 is: 3,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.62 : 4,781.95 = 2,535.52 : x
  2. Step 2: Convert to fraction form
    3,191.62/4,781.95 = 2,535.52/x
  3. Step 3: Cross multiply
    3,191.62x = 4,781.95 × 2,535.52
  4. Step 4: Simplify right side
    3,191.62x = 12,124,729.86
  5. Step 5: Solve for x
    x = 12,124,729.86/3,191.62
  6. Step 6: Final answer
    x = 3,798.93

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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.