Home / 2,319.12-3,200.27-1,375.97

Finding the Fourth Proportional to 2,319.12, 3,200.27 and 1,375.97

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Solution

The fourth proportional to 2,319.12, 3,200.27 and 1,375.97 is: 1,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.12 : 3,200.27 = 1,375.97 : x
  2. Step 2: Convert to fraction form
    2,319.12/3,200.27 = 1,375.97/x
  3. Step 3: Cross multiply
    2,319.12x = 3,200.27 × 1,375.97
  4. Step 4: Simplify right side
    2,319.12x = 4,403,476.63
  5. Step 5: Solve for x
    x = 4,403,476.63/2,319.12
  6. Step 6: Final answer
    x = 1,898.77

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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.