Home / 3,433.86-5,149.17-1,325.16

Finding the Fourth Proportional to 3,433.86, 5,149.17 and 1,325.16

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Solution

The fourth proportional to 3,433.86, 5,149.17 and 1,325.16 is: 1,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.86 : 5,149.17 = 1,325.16 : x
  2. Step 2: Convert to fraction form
    3,433.86/5,149.17 = 1,325.16/x
  3. Step 3: Cross multiply
    3,433.86x = 5,149.17 × 1,325.16
  4. Step 4: Simplify right side
    3,433.86x = 6,823,474.12
  5. Step 5: Solve for x
    x = 6,823,474.12/3,433.86
  6. Step 6: Final answer
    x = 1,987.11

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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.