Home / 3,169.90-4,756.20-2,195.47

Finding the Fourth Proportional to 3,169.90, 4,756.20 and 2,195.47

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Solution

The fourth proportional to 3,169.90, 4,756.20 and 2,195.47 is: 3,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.90 : 4,756.20 = 2,195.47 : x
  2. Step 2: Convert to fraction form
    3,169.90/4,756.20 = 2,195.47/x
  3. Step 3: Cross multiply
    3,169.90x = 4,756.20 × 2,195.47
  4. Step 4: Simplify right side
    3,169.90x = 10,442,094.41
  5. Step 5: Solve for x
    x = 10,442,094.41/3,169.90
  6. Step 6: Final answer
    x = 3,294.14

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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.