Home / 2,253.49-3,380.20-1,020.04

Finding the Fourth Proportional to 2,253.49, 3,380.20 and 1,020.04

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Solution

The fourth proportional to 2,253.49, 3,380.20 and 1,020.04 is: 1,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.49 : 3,380.20 = 1,020.04 : x
  2. Step 2: Convert to fraction form
    2,253.49/3,380.20 = 1,020.04/x
  3. Step 3: Cross multiply
    2,253.49x = 3,380.20 × 1,020.04
  4. Step 4: Simplify right side
    2,253.49x = 3,447,939.21
  5. Step 5: Solve for x
    x = 3,447,939.21/2,253.49
  6. Step 6: Final answer
    x = 1,530.04

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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.