Home / 3,182.13-4,391.34-1,784.88

Finding the Fourth Proportional to 3,182.13, 4,391.34 and 1,784.88

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Solution

The fourth proportional to 3,182.13, 4,391.34 and 1,784.88 is: 2,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.13 : 4,391.34 = 1,784.88 : x
  2. Step 2: Convert to fraction form
    3,182.13/4,391.34 = 1,784.88/x
  3. Step 3: Cross multiply
    3,182.13x = 4,391.34 × 1,784.88
  4. Step 4: Simplify right side
    3,182.13x = 7,838,014.94
  5. Step 5: Solve for x
    x = 7,838,014.94/3,182.13
  6. Step 6: Final answer
    x = 2,463.13

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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.