Home / 3,158.23-4,731.29-1,767.36

Finding the Fourth Proportional to 3,158.23, 4,731.29 and 1,767.36

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Solution

The fourth proportional to 3,158.23, 4,731.29 and 1,767.36 is: 2,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.23 : 4,731.29 = 1,767.36 : x
  2. Step 2: Convert to fraction form
    3,158.23/4,731.29 = 1,767.36/x
  3. Step 3: Cross multiply
    3,158.23x = 4,731.29 × 1,767.36
  4. Step 4: Simplify right side
    3,158.23x = 8,361,892.69
  5. Step 5: Solve for x
    x = 8,361,892.69/3,158.23
  6. Step 6: Final answer
    x = 2,647.65

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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.