Home / 2,258.12-3,387.46-1,103

Finding the Fourth Proportional to 2,258.12, 3,387.46 and 1,103

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Solution

The fourth proportional to 2,258.12, 3,387.46 and 1,103 is: 1,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.12 : 3,387.46 = 1,103 : x
  2. Step 2: Convert to fraction form
    2,258.12/3,387.46 = 1,103/x
  3. Step 3: Cross multiply
    2,258.12x = 3,387.46 × 1,103
  4. Step 4: Simplify right side
    2,258.12x = 3,736,368.38
  5. Step 5: Solve for x
    x = 3,736,368.38/2,258.12
  6. Step 6: Final answer
    x = 1,654.64

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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.