Home / 3,616.27-5,422.35-1,423.81

Finding the Fourth Proportional to 3,616.27, 5,422.35 and 1,423.81

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Solution

The fourth proportional to 3,616.27, 5,422.35 and 1,423.81 is: 2,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.27 : 5,422.35 = 1,423.81 : x
  2. Step 2: Convert to fraction form
    3,616.27/5,422.35 = 1,423.81/x
  3. Step 3: Cross multiply
    3,616.27x = 5,422.35 × 1,423.81
  4. Step 4: Simplify right side
    3,616.27x = 7,720,396.15
  5. Step 5: Solve for x
    x = 7,720,396.15/3,616.27
  6. Step 6: Final answer
    x = 2,134.91

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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.