Home / 1,484.20-2,236.33-1,229.86

Finding the Fourth Proportional to 1,484.20, 2,236.33 and 1,229.86

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Solution

The fourth proportional to 1,484.20, 2,236.33 and 1,229.86 is: 1,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.20 : 2,236.33 = 1,229.86 : x
  2. Step 2: Convert to fraction form
    1,484.20/2,236.33 = 1,229.86/x
  3. Step 3: Cross multiply
    1,484.20x = 2,236.33 × 1,229.86
  4. Step 4: Simplify right side
    1,484.20x = 2,750,372.81
  5. Step 5: Solve for x
    x = 2,750,372.81/1,484.20
  6. Step 6: Final answer
    x = 1,853.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.