Home / 2,578.03-3,870.99-2,272.46

Finding the Fourth Proportional to 2,578.03, 3,870.99 and 2,272.46

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Solution

The fourth proportional to 2,578.03, 3,870.99 and 2,272.46 is: 3,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.03 : 3,870.99 = 2,272.46 : x
  2. Step 2: Convert to fraction form
    2,578.03/3,870.99 = 2,272.46/x
  3. Step 3: Cross multiply
    2,578.03x = 3,870.99 × 2,272.46
  4. Step 4: Simplify right side
    2,578.03x = 8,796,650.58
  5. Step 5: Solve for x
    x = 8,796,650.58/2,578.03
  6. Step 6: Final answer
    x = 3,412.16

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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.