Home / 2,387.52-3,289.44-1,796.88

Finding the Fourth Proportional to 2,387.52, 3,289.44 and 1,796.88

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Solution

The fourth proportional to 2,387.52, 3,289.44 and 1,796.88 is: 2,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.52 : 3,289.44 = 1,796.88 : x
  2. Step 2: Convert to fraction form
    2,387.52/3,289.44 = 1,796.88/x
  3. Step 3: Cross multiply
    2,387.52x = 3,289.44 × 1,796.88
  4. Step 4: Simplify right side
    2,387.52x = 5,910,728.95
  5. Step 5: Solve for x
    x = 5,910,728.95/2,387.52
  6. Step 6: Final answer
    x = 2,475.68

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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.