Home / 2,449.20-3,379.36-1,454.80

Finding the Fourth Proportional to 2,449.20, 3,379.36 and 1,454.80

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Solution

The fourth proportional to 2,449.20, 3,379.36 and 1,454.80 is: 2,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.20 : 3,379.36 = 1,454.80 : x
  2. Step 2: Convert to fraction form
    2,449.20/3,379.36 = 1,454.80/x
  3. Step 3: Cross multiply
    2,449.20x = 3,379.36 × 1,454.80
  4. Step 4: Simplify right side
    2,449.20x = 4,916,292.93
  5. Step 5: Solve for x
    x = 4,916,292.93/2,449.20
  6. Step 6: Final answer
    x = 2,007.31

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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.