Home / 2,344.82-3,235.20-1,387.55

Finding the Fourth Proportional to 2,344.82, 3,235.20 and 1,387.55

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Solution

The fourth proportional to 2,344.82, 3,235.20 and 1,387.55 is: 1,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.82 : 3,235.20 = 1,387.55 : x
  2. Step 2: Convert to fraction form
    2,344.82/3,235.20 = 1,387.55/x
  3. Step 3: Cross multiply
    2,344.82x = 3,235.20 × 1,387.55
  4. Step 4: Simplify right side
    2,344.82x = 4,489,001.76
  5. Step 5: Solve for x
    x = 4,489,001.76/2,344.82
  6. Step 6: Final answer
    x = 1,914.43

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1.5x scale

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.