Home / 3,179.00-4,387.01-1,762.70

Finding the Fourth Proportional to 3,179.00, 4,387.01 and 1,762.70

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Solution

The fourth proportional to 3,179.00, 4,387.01 and 1,762.70 is: 2,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.00 : 4,387.01 = 1,762.70 : x
  2. Step 2: Convert to fraction form
    3,179.00/4,387.01 = 1,762.70/x
  3. Step 3: Cross multiply
    3,179.00x = 4,387.01 × 1,762.70
  4. Step 4: Simplify right side
    3,179.00x = 7,732,951.78
  5. Step 5: Solve for x
    x = 7,732,951.78/3,179.00
  6. Step 6: Final answer
    x = 2,432.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.