Home / 2,765.93-4,148.85-1,306.13

Finding the Fourth Proportional to 2,765.93, 4,148.85 and 1,306.13

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Solution

The fourth proportional to 2,765.93, 4,148.85 and 1,306.13 is: 1,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.93 : 4,148.85 = 1,306.13 : x
  2. Step 2: Convert to fraction form
    2,765.93/4,148.85 = 1,306.13/x
  3. Step 3: Cross multiply
    2,765.93x = 4,148.85 × 1,306.13
  4. Step 4: Simplify right side
    2,765.93x = 5,418,937.45
  5. Step 5: Solve for x
    x = 5,418,937.45/2,765.93
  6. Step 6: Final answer
    x = 1,959.17

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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.