Home / 2,579.75-3,560.19-1,517.57

Finding the Fourth Proportional to 2,579.75, 3,560.19 and 1,517.57

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Solution

The fourth proportional to 2,579.75, 3,560.19 and 1,517.57 is: 2,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.75 : 3,560.19 = 1,517.57 : x
  2. Step 2: Convert to fraction form
    2,579.75/3,560.19 = 1,517.57/x
  3. Step 3: Cross multiply
    2,579.75x = 3,560.19 × 1,517.57
  4. Step 4: Simplify right side
    2,579.75x = 5,402,837.54
  5. Step 5: Solve for x
    x = 5,402,837.54/2,579.75
  6. Step 6: Final answer
    x = 2,094.33

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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.