Home / 2,789.40-4,176.81-1,484.49

Finding the Fourth Proportional to 2,789.40, 4,176.81 and 1,484.49

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Solution

The fourth proportional to 2,789.40, 4,176.81 and 1,484.49 is: 2,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.40 : 4,176.81 = 1,484.49 : x
  2. Step 2: Convert to fraction form
    2,789.40/4,176.81 = 1,484.49/x
  3. Step 3: Cross multiply
    2,789.40x = 4,176.81 × 1,484.49
  4. Step 4: Simplify right side
    2,789.40x = 6,200,432.68
  5. Step 5: Solve for x
    x = 6,200,432.68/2,789.40
  6. Step 6: Final answer
    x = 2,222.86

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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.