Home / 2,864.61-4,298.19-1,222.20

Finding the Fourth Proportional to 2,864.61, 4,298.19 and 1,222.20

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Solution

The fourth proportional to 2,864.61, 4,298.19 and 1,222.20 is: 1,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.61 : 4,298.19 = 1,222.20 : x
  2. Step 2: Convert to fraction form
    2,864.61/4,298.19 = 1,222.20/x
  3. Step 3: Cross multiply
    2,864.61x = 4,298.19 × 1,222.20
  4. Step 4: Simplify right side
    2,864.61x = 5,253,247.82
  5. Step 5: Solve for x
    x = 5,253,247.82/2,864.61
  6. Step 6: Final answer
    x = 1,833.84

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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.