Home / 2,329.44-3,490.96-1,287.88

Finding the Fourth Proportional to 2,329.44, 3,490.96 and 1,287.88

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Solution

The fourth proportional to 2,329.44, 3,490.96 and 1,287.88 is: 1,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.44 : 3,490.96 = 1,287.88 : x
  2. Step 2: Convert to fraction form
    2,329.44/3,490.96 = 1,287.88/x
  3. Step 3: Cross multiply
    2,329.44x = 3,490.96 × 1,287.88
  4. Step 4: Simplify right side
    2,329.44x = 4,495,937.56
  5. Step 5: Solve for x
    x = 4,495,937.56/2,329.44
  6. Step 6: Final answer
    x = 1,930.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.