Home / 2,298.16-3,171.40-1,250.20

Finding the Fourth Proportional to 2,298.16, 3,171.40 and 1,250.20

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Solution

The fourth proportional to 2,298.16, 3,171.40 and 1,250.20 is: 1,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.16 : 3,171.40 = 1,250.20 : x
  2. Step 2: Convert to fraction form
    2,298.16/3,171.40 = 1,250.20/x
  3. Step 3: Cross multiply
    2,298.16x = 3,171.40 × 1,250.20
  4. Step 4: Simplify right side
    2,298.16x = 3,964,884.28
  5. Step 5: Solve for x
    x = 3,964,884.28/2,298.16
  6. Step 6: Final answer
    x = 1,725.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.