Home / 1,708.39-2,356.86-1,149.04

Finding the Fourth Proportional to 1,708.39, 2,356.86 and 1,149.04

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Solution

The fourth proportional to 1,708.39, 2,356.86 and 1,149.04 is: 1,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.39 : 2,356.86 = 1,149.04 : x
  2. Step 2: Convert to fraction form
    1,708.39/2,356.86 = 1,149.04/x
  3. Step 3: Cross multiply
    1,708.39x = 2,356.86 × 1,149.04
  4. Step 4: Simplify right side
    1,708.39x = 2,708,126.41
  5. Step 5: Solve for x
    x = 2,708,126.41/1,708.39
  6. Step 6: Final answer
    x = 1,585.19

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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.