Home / 1,708.52-2,357.18-1,393.23

Finding the Fourth Proportional to 1,708.52, 2,357.18 and 1,393.23

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Solution

The fourth proportional to 1,708.52, 2,357.18 and 1,393.23 is: 1,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.52 : 2,357.18 = 1,393.23 : x
  2. Step 2: Convert to fraction form
    1,708.52/2,357.18 = 1,393.23/x
  3. Step 3: Cross multiply
    1,708.52x = 2,357.18 × 1,393.23
  4. Step 4: Simplify right side
    1,708.52x = 3,284,092.10
  5. Step 5: Solve for x
    x = 3,284,092.10/1,708.52
  6. Step 6: Final answer
    x = 1,922.19

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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.