Home / 2,343.40-3,512.70-1,301.80

Finding the Fourth Proportional to 2,343.40, 3,512.70 and 1,301.80

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Solution

The fourth proportional to 2,343.40, 3,512.70 and 1,301.80 is: 1,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.40 : 3,512.70 = 1,301.80 : x
  2. Step 2: Convert to fraction form
    2,343.40/3,512.70 = 1,301.80/x
  3. Step 3: Cross multiply
    2,343.40x = 3,512.70 × 1,301.80
  4. Step 4: Simplify right side
    2,343.40x = 4,572,832.86
  5. Step 5: Solve for x
    x = 4,572,832.86/2,343.40
  6. Step 6: Final answer
    x = 1,951.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.