Home / 1,708.88-2,358.60-1,335.12

Finding the Fourth Proportional to 1,708.88, 2,358.60 and 1,335.12

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Solution

The fourth proportional to 1,708.88, 2,358.60 and 1,335.12 is: 1,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.88 : 2,358.60 = 1,335.12 : x
  2. Step 2: Convert to fraction form
    1,708.88/2,358.60 = 1,335.12/x
  3. Step 3: Cross multiply
    1,708.88x = 2,358.60 × 1,335.12
  4. Step 4: Simplify right side
    1,708.88x = 3,149,014.03
  5. Step 5: Solve for x
    x = 3,149,014.03/1,708.88
  6. Step 6: Final answer
    x = 1,842.74

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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.