Home / 2,298.24-3,171.60-1,250.40

Finding the Fourth Proportional to 2,298.24, 3,171.60 and 1,250.40

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Solution

The fourth proportional to 2,298.24, 3,171.60 and 1,250.40 is: 1,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.24 : 3,171.60 = 1,250.40 : x
  2. Step 2: Convert to fraction form
    2,298.24/3,171.60 = 1,250.40/x
  3. Step 3: Cross multiply
    2,298.24x = 3,171.60 × 1,250.40
  4. Step 4: Simplify right side
    2,298.24x = 3,965,768.64
  5. Step 5: Solve for x
    x = 3,965,768.64/2,298.24
  6. Step 6: Final answer
    x = 1,725.57

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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.