Home / 1,708.90-2,356.92-1,149.02

Finding the Fourth Proportional to 1,708.90, 2,356.92 and 1,149.02

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Solution

The fourth proportional to 1,708.90, 2,356.92 and 1,149.02 is: 1,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.90 : 2,356.92 = 1,149.02 : x
  2. Step 2: Convert to fraction form
    1,708.90/2,356.92 = 1,149.02/x
  3. Step 3: Cross multiply
    1,708.90x = 2,356.92 × 1,149.02
  4. Step 4: Simplify right side
    1,708.90x = 2,708,148.22
  5. Step 5: Solve for x
    x = 2,708,148.22/1,708.90
  6. Step 6: Final answer
    x = 1,584.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.