Home / 2,578.45-3,559.11-1,516.16

Finding the Fourth Proportional to 2,578.45, 3,559.11 and 1,516.16

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Solution

The fourth proportional to 2,578.45, 3,559.11 and 1,516.16 is: 2,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.45 : 3,559.11 = 1,516.16 : x
  2. Step 2: Convert to fraction form
    2,578.45/3,559.11 = 1,516.16/x
  3. Step 3: Cross multiply
    2,578.45x = 3,559.11 × 1,516.16
  4. Step 4: Simplify right side
    2,578.45x = 5,396,172.64
  5. Step 5: Solve for x
    x = 5,396,172.64/2,578.45
  6. Step 6: Final answer
    x = 2,092.80

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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.