Home / 2,578.92-3,557.54-2,224.20

Finding the Fourth Proportional to 2,578.92, 3,557.54 and 2,224.20

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Solution

The fourth proportional to 2,578.92, 3,557.54 and 2,224.20 is: 3,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.92 : 3,557.54 = 2,224.20 : x
  2. Step 2: Convert to fraction form
    2,578.92/3,557.54 = 2,224.20/x
  3. Step 3: Cross multiply
    2,578.92x = 3,557.54 × 2,224.20
  4. Step 4: Simplify right side
    2,578.92x = 7,912,680.47
  5. Step 5: Solve for x
    x = 7,912,680.47/2,578.92
  6. Step 6: Final answer
    x = 3,068.21

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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.