Home / 2,699.60-4,046.96-1,057.32

Finding the Fourth Proportional to 2,699.60, 4,046.96 and 1,057.32

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Solution

The fourth proportional to 2,699.60, 4,046.96 and 1,057.32 is: 1,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.60 : 4,046.96 = 1,057.32 : x
  2. Step 2: Convert to fraction form
    2,699.60/4,046.96 = 1,057.32/x
  3. Step 3: Cross multiply
    2,699.60x = 4,046.96 × 1,057.32
  4. Step 4: Simplify right side
    2,699.60x = 4,278,934.39
  5. Step 5: Solve for x
    x = 4,278,934.39/2,699.60
  6. Step 6: Final answer
    x = 1,585.03

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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.