Home / 2,766.31-4,145.68-1,465.18

Finding the Fourth Proportional to 2,766.31, 4,145.68 and 1,465.18

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Solution

The fourth proportional to 2,766.31, 4,145.68 and 1,465.18 is: 2,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.31 : 4,145.68 = 1,465.18 : x
  2. Step 2: Convert to fraction form
    2,766.31/4,145.68 = 1,465.18/x
  3. Step 3: Cross multiply
    2,766.31x = 4,145.68 × 1,465.18
  4. Step 4: Simplify right side
    2,766.31x = 6,074,167.42
  5. Step 5: Solve for x
    x = 6,074,167.42/2,766.31
  6. Step 6: Final answer
    x = 2,195.77

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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.