Home / 1,966.12-2,949.72-1,751.20

Finding the Fourth Proportional to 1,966.12, 2,949.72 and 1,751.20

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Solution

The fourth proportional to 1,966.12, 2,949.72 and 1,751.20 is: 2,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.12 : 2,949.72 = 1,751.20 : x
  2. Step 2: Convert to fraction form
    1,966.12/2,949.72 = 1,751.20/x
  3. Step 3: Cross multiply
    1,966.12x = 2,949.72 × 1,751.20
  4. Step 4: Simplify right side
    1,966.12x = 5,165,549.66
  5. Step 5: Solve for x
    x = 5,165,549.66/1,966.12
  6. Step 6: Final answer
    x = 2,627.28

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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.