Home / 3,410.20-5,114.45-2,420.13

Finding the Fourth Proportional to 3,410.20, 5,114.45 and 2,420.13

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Solution

The fourth proportional to 3,410.20, 5,114.45 and 2,420.13 is: 3,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.20 : 5,114.45 = 2,420.13 : x
  2. Step 2: Convert to fraction form
    3,410.20/5,114.45 = 2,420.13/x
  3. Step 3: Cross multiply
    3,410.20x = 5,114.45 × 2,420.13
  4. Step 4: Simplify right side
    3,410.20x = 12,377,621.78
  5. Step 5: Solve for x
    x = 12,377,621.78/3,410.20
  6. Step 6: Final answer
    x = 3,629.59

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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.