Home / 3,640.30-5,460.48-2,257.66

Finding the Fourth Proportional to 3,640.30, 5,460.48 and 2,257.66

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Solution

The fourth proportional to 3,640.30, 5,460.48 and 2,257.66 is: 3,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.30 : 5,460.48 = 2,257.66 : x
  2. Step 2: Convert to fraction form
    3,640.30/5,460.48 = 2,257.66/x
  3. Step 3: Cross multiply
    3,640.30x = 5,460.48 × 2,257.66
  4. Step 4: Simplify right side
    3,640.30x = 12,327,907.28
  5. Step 5: Solve for x
    x = 12,327,907.28/3,640.30
  6. Step 6: Final answer
    x = 3,386.51

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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.