Home / 2,445.12-3,666.96-1,349.28

Finding the Fourth Proportional to 2,445.12, 3,666.96 and 1,349.28

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Solution

The fourth proportional to 2,445.12, 3,666.96 and 1,349.28 is: 2,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.12 : 3,666.96 = 1,349.28 : x
  2. Step 2: Convert to fraction form
    2,445.12/3,666.96 = 1,349.28/x
  3. Step 3: Cross multiply
    2,445.12x = 3,666.96 × 1,349.28
  4. Step 4: Simplify right side
    2,445.12x = 4,947,755.79
  5. Step 5: Solve for x
    x = 4,947,755.79/2,445.12
  6. Step 6: Final answer
    x = 2,023.52

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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.