Home / 3,520.65-4,853.49-2,400.15

Finding the Fourth Proportional to 3,520.65, 4,853.49 and 2,400.15

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Solution

The fourth proportional to 3,520.65, 4,853.49 and 2,400.15 is: 3,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.65 : 4,853.49 = 2,400.15 : x
  2. Step 2: Convert to fraction form
    3,520.65/4,853.49 = 2,400.15/x
  3. Step 3: Cross multiply
    3,520.65x = 4,853.49 × 2,400.15
  4. Step 4: Simplify right side
    3,520.65x = 11,649,098.02
  5. Step 5: Solve for x
    x = 11,649,098.02/3,520.65
  6. Step 6: Final answer
    x = 3,308.79

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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.