Home / 3,182.65-4,393.08-1,856.62

Finding the Fourth Proportional to 3,182.65, 4,393.08 and 1,856.62

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Solution

The fourth proportional to 3,182.65, 4,393.08 and 1,856.62 is: 2,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.65 : 4,393.08 = 1,856.62 : x
  2. Step 2: Convert to fraction form
    3,182.65/4,393.08 = 1,856.62/x
  3. Step 3: Cross multiply
    3,182.65x = 4,393.08 × 1,856.62
  4. Step 4: Simplify right side
    3,182.65x = 8,156,260.97
  5. Step 5: Solve for x
    x = 8,156,260.97/3,182.65
  6. Step 6: Final answer
    x = 2,562.72

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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.