Home / 2,298.12-3,171.48-1,250.26

Finding the Fourth Proportional to 2,298.12, 3,171.48 and 1,250.26

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Solution

The fourth proportional to 2,298.12, 3,171.48 and 1,250.26 is: 1,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.12 : 3,171.48 = 1,250.26 : x
  2. Step 2: Convert to fraction form
    2,298.12/3,171.48 = 1,250.26/x
  3. Step 3: Cross multiply
    2,298.12x = 3,171.48 × 1,250.26
  4. Step 4: Simplify right side
    2,298.12x = 3,965,174.58
  5. Step 5: Solve for x
    x = 3,965,174.58/2,298.12
  6. Step 6: Final answer
    x = 1,725.40

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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.