Home / 3,319.75-4,976.28-2,088.04

Finding the Fourth Proportional to 3,319.75, 4,976.28 and 2,088.04

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Solution

The fourth proportional to 3,319.75, 4,976.28 and 2,088.04 is: 3,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.75 : 4,976.28 = 2,088.04 : x
  2. Step 2: Convert to fraction form
    3,319.75/4,976.28 = 2,088.04/x
  3. Step 3: Cross multiply
    3,319.75x = 4,976.28 × 2,088.04
  4. Step 4: Simplify right side
    3,319.75x = 10,390,671.69
  5. Step 5: Solve for x
    x = 10,390,671.69/3,319.75
  6. Step 6: Final answer
    x = 3,129.96

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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.