Home / 3,470.56-4,789.70-1,898.89

Finding the Fourth Proportional to 3,470.56, 4,789.70 and 1,898.89

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Solution

The fourth proportional to 3,470.56, 4,789.70 and 1,898.89 is: 2,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.56 : 4,789.70 = 1,898.89 : x
  2. Step 2: Convert to fraction form
    3,470.56/4,789.70 = 1,898.89/x
  3. Step 3: Cross multiply
    3,470.56x = 4,789.70 × 1,898.89
  4. Step 4: Simplify right side
    3,470.56x = 9,095,099.09
  5. Step 5: Solve for x
    x = 9,095,099.09/3,470.56
  6. Step 6: Final answer
    x = 2,620.64

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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.