Home / 4,191.10-5,781.15-2,488.45

Finding the Fourth Proportional to 4,191.10, 5,781.15 and 2,488.45

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Solution

The fourth proportional to 4,191.10, 5,781.15 and 2,488.45 is: 3,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.10 : 5,781.15 = 2,488.45 : x
  2. Step 2: Convert to fraction form
    4,191.10/5,781.15 = 2,488.45/x
  3. Step 3: Cross multiply
    4,191.10x = 5,781.15 × 2,488.45
  4. Step 4: Simplify right side
    4,191.10x = 14,386,084.57
  5. Step 5: Solve for x
    x = 14,386,084.57/4,191.10
  6. Step 6: Final answer
    x = 3,432.54

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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.