Home / 3,995.35-5,990.98-2,148.02

Finding the Fourth Proportional to 3,995.35, 5,990.98 and 2,148.02

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Solution

The fourth proportional to 3,995.35, 5,990.98 and 2,148.02 is: 3,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.35 : 5,990.98 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    3,995.35/5,990.98 = 2,148.02/x
  3. Step 3: Cross multiply
    3,995.35x = 5,990.98 × 2,148.02
  4. Step 4: Simplify right side
    3,995.35x = 12,868,744.86
  5. Step 5: Solve for x
    x = 12,868,744.86/3,995.35
  6. Step 6: Final answer
    x = 3,220.93

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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.