Home / 3,045.12-4,202.46-2,520.24

Finding the Fourth Proportional to 3,045.12, 4,202.46 and 2,520.24

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Solution

The fourth proportional to 3,045.12, 4,202.46 and 2,520.24 is: 3,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.12 : 4,202.46 = 2,520.24 : x
  2. Step 2: Convert to fraction form
    3,045.12/4,202.46 = 2,520.24/x
  3. Step 3: Cross multiply
    3,045.12x = 4,202.46 × 2,520.24
  4. Step 4: Simplify right side
    3,045.12x = 10,591,207.79
  5. Step 5: Solve for x
    x = 10,591,207.79/3,045.12
  6. Step 6: Final answer
    x = 3,478.09

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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.