Home / 3,470.58-5,211.36-2,010.78

Finding the Fourth Proportional to 3,470.58, 5,211.36 and 2,010.78

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Solution

The fourth proportional to 3,470.58, 5,211.36 and 2,010.78 is: 3,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.58 : 5,211.36 = 2,010.78 : x
  2. Step 2: Convert to fraction form
    3,470.58/5,211.36 = 2,010.78/x
  3. Step 3: Cross multiply
    3,470.58x = 5,211.36 × 2,010.78
  4. Step 4: Simplify right side
    3,470.58x = 10,478,898.46
  5. Step 5: Solve for x
    x = 10,478,898.46/3,470.58
  6. Step 6: Final answer
    x = 3,019.35

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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.