Home / 3,258.65-4,490.90-2,314.48

Finding the Fourth Proportional to 3,258.65, 4,490.90 and 2,314.48

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Solution

The fourth proportional to 3,258.65, 4,490.90 and 2,314.48 is: 3,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.65 : 4,490.90 = 2,314.48 : x
  2. Step 2: Convert to fraction form
    3,258.65/4,490.90 = 2,314.48/x
  3. Step 3: Cross multiply
    3,258.65x = 4,490.90 × 2,314.48
  4. Step 4: Simplify right side
    3,258.65x = 10,394,104.02
  5. Step 5: Solve for x
    x = 10,394,104.02/3,258.65
  6. Step 6: Final answer
    x = 3,189.70

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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.