Home / 3,470.29-4,789.05-1,898.35

Finding the Fourth Proportional to 3,470.29, 4,789.05 and 1,898.35

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Solution

The fourth proportional to 3,470.29, 4,789.05 and 1,898.35 is: 2,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.29 : 4,789.05 = 1,898.35 : x
  2. Step 2: Convert to fraction form
    3,470.29/4,789.05 = 1,898.35/x
  3. Step 3: Cross multiply
    3,470.29x = 4,789.05 × 1,898.35
  4. Step 4: Simplify right side
    3,470.29x = 9,091,293.07
  5. Step 5: Solve for x
    x = 9,091,293.07/3,470.29
  6. Step 6: Final answer
    x = 2,619.75

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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.