Home / 3,258.57-4,489.23-2,665.65

Finding the Fourth Proportional to 3,258.57, 4,489.23 and 2,665.65

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Solution

The fourth proportional to 3,258.57, 4,489.23 and 2,665.65 is: 3,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.57 : 4,489.23 = 2,665.65 : x
  2. Step 2: Convert to fraction form
    3,258.57/4,489.23 = 2,665.65/x
  3. Step 3: Cross multiply
    3,258.57x = 4,489.23 × 2,665.65
  4. Step 4: Simplify right side
    3,258.57x = 11,966,715.95
  5. Step 5: Solve for x
    x = 11,966,715.95/3,258.57
  6. Step 6: Final answer
    x = 3,672.38

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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.