Home / 3,239.92-4,471.05-1,842.58

Finding the Fourth Proportional to 3,239.92, 4,471.05 and 1,842.58

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Solution

The fourth proportional to 3,239.92, 4,471.05 and 1,842.58 is: 2,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.92 : 4,471.05 = 1,842.58 : x
  2. Step 2: Convert to fraction form
    3,239.92/4,471.05 = 1,842.58/x
  3. Step 3: Cross multiply
    3,239.92x = 4,471.05 × 1,842.58
  4. Step 4: Simplify right side
    3,239.92x = 8,238,267.31
  5. Step 5: Solve for x
    x = 8,238,267.31/3,239.92
  6. Step 6: Final answer
    x = 2,542.74

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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.