Home / 2,343.07-3,234.13-1,399.52

Finding the Fourth Proportional to 2,343.07, 3,234.13 and 1,399.52

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Solution

The fourth proportional to 2,343.07, 3,234.13 and 1,399.52 is: 1,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.07 : 3,234.13 = 1,399.52 : x
  2. Step 2: Convert to fraction form
    2,343.07/3,234.13 = 1,399.52/x
  3. Step 3: Cross multiply
    2,343.07x = 3,234.13 × 1,399.52
  4. Step 4: Simplify right side
    2,343.07x = 4,526,229.62
  5. Step 5: Solve for x
    x = 4,526,229.62/2,343.07
  6. Step 6: Final answer
    x = 1,931.75

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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.