Home / 2,766.71-4,154.16-1,126.46

Finding the Fourth Proportional to 2,766.71, 4,154.16 and 1,126.46

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Solution

The fourth proportional to 2,766.71, 4,154.16 and 1,126.46 is: 1,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.71 : 4,154.16 = 1,126.46 : x
  2. Step 2: Convert to fraction form
    2,766.71/4,154.16 = 1,126.46/x
  3. Step 3: Cross multiply
    2,766.71x = 4,154.16 × 1,126.46
  4. Step 4: Simplify right side
    2,766.71x = 4,679,495.07
  5. Step 5: Solve for x
    x = 4,679,495.07/2,766.71
  6. Step 6: Final answer
    x = 1,691.36

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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.