Home / 2,691.14-4,035.12-1,025.40

Finding the Fourth Proportional to 2,691.14, 4,035.12 and 1,025.40

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Solution

The fourth proportional to 2,691.14, 4,035.12 and 1,025.40 is: 1,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.14 : 4,035.12 = 1,025.40 : x
  2. Step 2: Convert to fraction form
    2,691.14/4,035.12 = 1,025.40/x
  3. Step 3: Cross multiply
    2,691.14x = 4,035.12 × 1,025.40
  4. Step 4: Simplify right side
    2,691.14x = 4,137,612.05
  5. Step 5: Solve for x
    x = 4,137,612.05/2,691.14
  6. Step 6: Final answer
    x = 1,537.49

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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.