Home / 3,174.90-4,767.12-1,947.46

Finding the Fourth Proportional to 3,174.90, 4,767.12 and 1,947.46

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Solution

The fourth proportional to 3,174.90, 4,767.12 and 1,947.46 is: 2,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.90 : 4,767.12 = 1,947.46 : x
  2. Step 2: Convert to fraction form
    3,174.90/4,767.12 = 1,947.46/x
  3. Step 3: Cross multiply
    3,174.90x = 4,767.12 × 1,947.46
  4. Step 4: Simplify right side
    3,174.90x = 9,283,775.52
  5. Step 5: Solve for x
    x = 9,283,775.52/3,174.90
  6. Step 6: Final answer
    x = 2,924.12

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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.