Home / 2,343.38-3,233.52-1,990.71

Finding the Fourth Proportional to 2,343.38, 3,233.52 and 1,990.71

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Solution

The fourth proportional to 2,343.38, 3,233.52 and 1,990.71 is: 2,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.38 : 3,233.52 = 1,990.71 : x
  2. Step 2: Convert to fraction form
    2,343.38/3,233.52 = 1,990.71/x
  3. Step 3: Cross multiply
    2,343.38x = 3,233.52 × 1,990.71
  4. Step 4: Simplify right side
    2,343.38x = 6,437,000.60
  5. Step 5: Solve for x
    x = 6,437,000.60/2,343.38
  6. Step 6: Final answer
    x = 2,746.89

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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.