Home / 3,061.20-4,582.20-2,197.20

Finding the Fourth Proportional to 3,061.20, 4,582.20 and 2,197.20

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Solution

The fourth proportional to 3,061.20, 4,582.20 and 2,197.20 is: 3,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.20 : 4,582.20 = 2,197.20 : x
  2. Step 2: Convert to fraction form
    3,061.20/4,582.20 = 2,197.20/x
  3. Step 3: Cross multiply
    3,061.20x = 4,582.20 × 2,197.20
  4. Step 4: Simplify right side
    3,061.20x = 10,068,009.84
  5. Step 5: Solve for x
    x = 10,068,009.84/3,061.20
  6. Step 6: Final answer
    x = 3,288.91

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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.