Home / 3,925.43-5,891.52-2,279.69

Finding the Fourth Proportional to 3,925.43, 5,891.52 and 2,279.69

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Solution

The fourth proportional to 3,925.43, 5,891.52 and 2,279.69 is: 3,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.43 : 5,891.52 = 2,279.69 : x
  2. Step 2: Convert to fraction form
    3,925.43/5,891.52 = 2,279.69/x
  3. Step 3: Cross multiply
    3,925.43x = 5,891.52 × 2,279.69
  4. Step 4: Simplify right side
    3,925.43x = 13,430,839.23
  5. Step 5: Solve for x
    x = 13,430,839.23/3,925.43
  6. Step 6: Final answer
    x = 3,421.50

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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.