Home / 2,400.08-3,600.36-839.90

Finding the Fourth Proportional to 2,400.08, 3,600.36 and 839.90

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Solution

The fourth proportional to 2,400.08, 3,600.36 and 839.90 is: 1,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.08 : 3,600.36 = 839.90 : x
  2. Step 2: Convert to fraction form
    2,400.08/3,600.36 = 839.90/x
  3. Step 3: Cross multiply
    2,400.08x = 3,600.36 × 839.90
  4. Step 4: Simplify right side
    2,400.08x = 3,023,942.36
  5. Step 5: Solve for x
    x = 3,023,942.36/2,400.08
  6. Step 6: Final answer
    x = 1,259.93

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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.