Home / 2,747.28-4,126.59-1,708.47

Finding the Fourth Proportional to 2,747.28, 4,126.59 and 1,708.47

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Solution

The fourth proportional to 2,747.28, 4,126.59 and 1,708.47 is: 2,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.28 : 4,126.59 = 1,708.47 : x
  2. Step 2: Convert to fraction form
    2,747.28/4,126.59 = 1,708.47/x
  3. Step 3: Cross multiply
    2,747.28x = 4,126.59 × 1,708.47
  4. Step 4: Simplify right side
    2,747.28x = 7,050,155.22
  5. Step 5: Solve for x
    x = 7,050,155.22/2,747.28
  6. Step 6: Final answer
    x = 2,566.23

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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.