Home / 1,757.20-2,629.52-1,412.75

Finding the Fourth Proportional to 1,757.20, 2,629.52 and 1,412.75

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Solution

The fourth proportional to 1,757.20, 2,629.52 and 1,412.75 is: 2,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.20 : 2,629.52 = 1,412.75 : x
  2. Step 2: Convert to fraction form
    1,757.20/2,629.52 = 1,412.75/x
  3. Step 3: Cross multiply
    1,757.20x = 2,629.52 × 1,412.75
  4. Step 4: Simplify right side
    1,757.20x = 3,714,854.38
  5. Step 5: Solve for x
    x = 3,714,854.38/1,757.20
  6. Step 6: Final answer
    x = 2,114.08

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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.