Home / 2,891.97-4,337.69-1,432.08

Finding the Fourth Proportional to 2,891.97, 4,337.69 and 1,432.08

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Solution

The fourth proportional to 2,891.97, 4,337.69 and 1,432.08 is: 2,147.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.97 : 4,337.69 = 1,432.08 : x
  2. Step 2: Convert to fraction form
    2,891.97/4,337.69 = 1,432.08/x
  3. Step 3: Cross multiply
    2,891.97x = 4,337.69 × 1,432.08
  4. Step 4: Simplify right side
    2,891.97x = 6,211,911.93
  5. Step 5: Solve for x
    x = 6,211,911.93/2,891.97
  6. Step 6: Final answer
    x = 2,147.99

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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.