Home / 3,470.90-4,795.05-2,278.70

Finding the Fourth Proportional to 3,470.90, 4,795.05 and 2,278.70

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Solution

The fourth proportional to 3,470.90, 4,795.05 and 2,278.70 is: 3,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.90 : 4,795.05 = 2,278.70 : x
  2. Step 2: Convert to fraction form
    3,470.90/4,795.05 = 2,278.70/x
  3. Step 3: Cross multiply
    3,470.90x = 4,795.05 × 2,278.70
  4. Step 4: Simplify right side
    3,470.90x = 10,926,480.44
  5. Step 5: Solve for x
    x = 10,926,480.44/3,470.90
  6. Step 6: Final answer
    x = 3,148.03

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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.