Home / 2,578.20-3,557.99-1,459.11

Finding the Fourth Proportional to 2,578.20, 3,557.99 and 1,459.11

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Solution

The fourth proportional to 2,578.20, 3,557.99 and 1,459.11 is: 2,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.20 : 3,557.99 = 1,459.11 : x
  2. Step 2: Convert to fraction form
    2,578.20/3,557.99 = 1,459.11/x
  3. Step 3: Cross multiply
    2,578.20x = 3,557.99 × 1,459.11
  4. Step 4: Simplify right side
    2,578.20x = 5,191,515.78
  5. Step 5: Solve for x
    x = 5,191,515.78/2,578.20
  6. Step 6: Final answer
    x = 2,013.62

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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.