Home / 3,269.12-4,510.20-2,150.72

Finding the Fourth Proportional to 3,269.12, 4,510.20 and 2,150.72

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Solution

The fourth proportional to 3,269.12, 4,510.20 and 2,150.72 is: 2,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.12 : 4,510.20 = 2,150.72 : x
  2. Step 2: Convert to fraction form
    3,269.12/4,510.20 = 2,150.72/x
  3. Step 3: Cross multiply
    3,269.12x = 4,510.20 × 2,150.72
  4. Step 4: Simplify right side
    3,269.12x = 9,700,177.34
  5. Step 5: Solve for x
    x = 9,700,177.34/3,269.12
  6. Step 6: Final answer
    x = 2,967.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.