Home / 3,433.92-5,146.92-1,872.72

Finding the Fourth Proportional to 3,433.92, 5,146.92 and 1,872.72

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Solution

The fourth proportional to 3,433.92, 5,146.92 and 1,872.72 is: 2,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.92 : 5,146.92 = 1,872.72 : x
  2. Step 2: Convert to fraction form
    3,433.92/5,146.92 = 1,872.72/x
  3. Step 3: Cross multiply
    3,433.92x = 5,146.92 × 1,872.72
  4. Step 4: Simplify right side
    3,433.92x = 9,638,740.02
  5. Step 5: Solve for x
    x = 9,638,740.02/3,433.92
  6. Step 6: Final answer
    x = 2,806.92

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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.