Home / 2,679.89-4,001.50-2,400.44

Finding the Fourth Proportional to 2,679.89, 4,001.50 and 2,400.44

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Solution

The fourth proportional to 2,679.89, 4,001.50 and 2,400.44 is: 3,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.89 : 4,001.50 = 2,400.44 : x
  2. Step 2: Convert to fraction form
    2,679.89/4,001.50 = 2,400.44/x
  3. Step 3: Cross multiply
    2,679.89x = 4,001.50 × 2,400.44
  4. Step 4: Simplify right side
    2,679.89x = 9,605,343.65
  5. Step 5: Solve for x
    x = 9,605,343.65/2,679.89
  6. Step 6: Final answer
    x = 3,584.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.