Home / 3,158.95-4,359.19-1,742.61

Finding the Fourth Proportional to 3,158.95, 4,359.19 and 1,742.61

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Solution

The fourth proportional to 3,158.95, 4,359.19 and 1,742.61 is: 2,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.95 : 4,359.19 = 1,742.61 : x
  2. Step 2: Convert to fraction form
    3,158.95/4,359.19 = 1,742.61/x
  3. Step 3: Cross multiply
    3,158.95x = 4,359.19 × 1,742.61
  4. Step 4: Simplify right side
    3,158.95x = 7,596,388.24
  5. Step 5: Solve for x
    x = 7,596,388.24/3,158.95
  6. Step 6: Final answer
    x = 2,404.72

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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.