Home / 2,251.59-3,107.04-1,412.25

Finding the Fourth Proportional to 2,251.59, 3,107.04 and 1,412.25

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Solution

The fourth proportional to 2,251.59, 3,107.04 and 1,412.25 is: 1,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.59 : 3,107.04 = 1,412.25 : x
  2. Step 2: Convert to fraction form
    2,251.59/3,107.04 = 1,412.25/x
  3. Step 3: Cross multiply
    2,251.59x = 3,107.04 × 1,412.25
  4. Step 4: Simplify right side
    2,251.59x = 4,387,917.24
  5. Step 5: Solve for x
    x = 4,387,917.24/2,251.59
  6. Step 6: Final answer
    x = 1,948.81

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1.5x scale

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.