Home / 3,114.20-4,663.20-2,460.80

Finding the Fourth Proportional to 3,114.20, 4,663.20 and 2,460.80

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Solution

The fourth proportional to 3,114.20, 4,663.20 and 2,460.80 is: 3,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.20 : 4,663.20 = 2,460.80 : x
  2. Step 2: Convert to fraction form
    3,114.20/4,663.20 = 2,460.80/x
  3. Step 3: Cross multiply
    3,114.20x = 4,663.20 × 2,460.80
  4. Step 4: Simplify right side
    3,114.20x = 11,475,202.56
  5. Step 5: Solve for x
    x = 11,475,202.56/3,114.20
  6. Step 6: Final answer
    x = 3,684.80

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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.