Home / 3,158.39-4,731.91-1,859.15

Finding the Fourth Proportional to 3,158.39, 4,731.91 and 1,859.15

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Solution

The fourth proportional to 3,158.39, 4,731.91 and 1,859.15 is: 2,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.39 : 4,731.91 = 1,859.15 : x
  2. Step 2: Convert to fraction form
    3,158.39/4,731.91 = 1,859.15/x
  3. Step 3: Cross multiply
    3,158.39x = 4,731.91 × 1,859.15
  4. Step 4: Simplify right side
    3,158.39x = 8,797,330.48
  5. Step 5: Solve for x
    x = 8,797,330.48/3,158.39
  6. Step 6: Final answer
    x = 2,785.38

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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.