Home / 3,630.27-5,432.45-3,386.19

Finding the Fourth Proportional to 3,630.27, 5,432.45 and 3,386.19

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Solution

The fourth proportional to 3,630.27, 5,432.45 and 3,386.19 is: 5,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.27 : 5,432.45 = 3,386.19 : x
  2. Step 2: Convert to fraction form
    3,630.27/5,432.45 = 3,386.19/x
  3. Step 3: Cross multiply
    3,630.27x = 5,432.45 × 3,386.19
  4. Step 4: Simplify right side
    3,630.27x = 18,395,290.93
  5. Step 5: Solve for x
    x = 18,395,290.93/3,630.27
  6. Step 6: Final answer
    x = 5,067.20

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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.