Home / 3,470.92-4,789.88-1,899.02

Finding the Fourth Proportional to 3,470.92, 4,789.88 and 1,899.02

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Solution

The fourth proportional to 3,470.92, 4,789.88 and 1,899.02 is: 2,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.92 : 4,789.88 = 1,899.02 : x
  2. Step 2: Convert to fraction form
    3,470.92/4,789.88 = 1,899.02/x
  3. Step 3: Cross multiply
    3,470.92x = 4,789.88 × 1,899.02
  4. Step 4: Simplify right side
    3,470.92x = 9,096,077.92
  5. Step 5: Solve for x
    x = 9,096,077.92/3,470.92
  6. Step 6: Final answer
    x = 2,620.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.