Home / 3,470.34-4,789.20-1,898.43

Finding the Fourth Proportional to 3,470.34, 4,789.20 and 1,898.43

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Solution

The fourth proportional to 3,470.34, 4,789.20 and 1,898.43 is: 2,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.34 : 4,789.20 = 1,898.43 : x
  2. Step 2: Convert to fraction form
    3,470.34/4,789.20 = 1,898.43/x
  3. Step 3: Cross multiply
    3,470.34x = 4,789.20 × 1,898.43
  4. Step 4: Simplify right side
    3,470.34x = 9,091,968.08
  5. Step 5: Solve for x
    x = 9,091,968.08/3,470.34
  6. Step 6: Final answer
    x = 2,619.91

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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.