Home / 3,179.18-4,387.48-1,762.92

Finding the Fourth Proportional to 3,179.18, 4,387.48 and 1,762.92

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Solution

The fourth proportional to 3,179.18, 4,387.48 and 1,762.92 is: 2,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.18 : 4,387.48 = 1,762.92 : x
  2. Step 2: Convert to fraction form
    3,179.18/4,387.48 = 1,762.92/x
  3. Step 3: Cross multiply
    3,179.18x = 4,387.48 × 1,762.92
  4. Step 4: Simplify right side
    3,179.18x = 7,734,776.24
  5. Step 5: Solve for x
    x = 7,734,776.24/3,179.18
  6. Step 6: Final answer
    x = 2,432.95

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1.5x scale

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.