Home / 2,258.67-3,387.60-1,025.79

Finding the Fourth Proportional to 2,258.67, 3,387.60 and 1,025.79

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Solution

The fourth proportional to 2,258.67, 3,387.60 and 1,025.79 is: 1,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.67 : 3,387.60 = 1,025.79 : x
  2. Step 2: Convert to fraction form
    2,258.67/3,387.60 = 1,025.79/x
  3. Step 3: Cross multiply
    2,258.67x = 3,387.60 × 1,025.79
  4. Step 4: Simplify right side
    2,258.67x = 3,474,966.20
  5. Step 5: Solve for x
    x = 3,474,966.20/2,258.67
  6. Step 6: Final answer
    x = 1,538.50

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1.5x scale

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.