Home / 3,640.80-5,461.23-2,258.16

Finding the Fourth Proportional to 3,640.80, 5,461.23 and 2,258.16

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Solution

The fourth proportional to 3,640.80, 5,461.23 and 2,258.16 is: 3,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.80 : 5,461.23 = 2,258.16 : x
  2. Step 2: Convert to fraction form
    3,640.80/5,461.23 = 2,258.16/x
  3. Step 3: Cross multiply
    3,640.80x = 5,461.23 × 2,258.16
  4. Step 4: Simplify right side
    3,640.80x = 12,332,331.14
  5. Step 5: Solve for x
    x = 12,332,331.14/3,640.80
  6. Step 6: Final answer
    x = 3,387.26

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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.