Home / 3,127.84-4,691.16-1,179.52

Finding the Fourth Proportional to 3,127.84, 4,691.16 and 1,179.52

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Solution

The fourth proportional to 3,127.84, 4,691.16 and 1,179.52 is: 1,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.84 : 4,691.16 = 1,179.52 : x
  2. Step 2: Convert to fraction form
    3,127.84/4,691.16 = 1,179.52/x
  3. Step 3: Cross multiply
    3,127.84x = 4,691.16 × 1,179.52
  4. Step 4: Simplify right side
    3,127.84x = 5,533,317.04
  5. Step 5: Solve for x
    x = 5,533,317.04/3,127.84
  6. Step 6: Final answer
    x = 1,769.05

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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.