Home / 1,708.09-2,357.25-1,139.94

Finding the Fourth Proportional to 1,708.09, 2,357.25 and 1,139.94

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Solution

The fourth proportional to 1,708.09, 2,357.25 and 1,139.94 is: 1,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.09 : 2,357.25 = 1,139.94 : x
  2. Step 2: Convert to fraction form
    1,708.09/2,357.25 = 1,139.94/x
  3. Step 3: Cross multiply
    1,708.09x = 2,357.25 × 1,139.94
  4. Step 4: Simplify right side
    1,708.09x = 2,687,125.70
  5. Step 5: Solve for x
    x = 2,687,125.70/1,708.09
  6. Step 6: Final answer
    x = 1,573.18

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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.