Home / 3,423.86-5,135.01-1,343.18

Finding the Fourth Proportional to 3,423.86, 5,135.01 and 1,343.18

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Solution

The fourth proportional to 3,423.86, 5,135.01 and 1,343.18 is: 2,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.86 : 5,135.01 = 1,343.18 : x
  2. Step 2: Convert to fraction form
    3,423.86/5,135.01 = 1,343.18/x
  3. Step 3: Cross multiply
    3,423.86x = 5,135.01 × 1,343.18
  4. Step 4: Simplify right side
    3,423.86x = 6,897,242.73
  5. Step 5: Solve for x
    x = 6,897,242.73/3,423.86
  6. Step 6: Final answer
    x = 2,014.46

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1.5x scale

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.