Home / 3,074.68-4,612.91-1,515.15

Finding the Fourth Proportional to 3,074.68, 4,612.91 and 1,515.15

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Solution

The fourth proportional to 3,074.68, 4,612.91 and 1,515.15 is: 2,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.68 : 4,612.91 = 1,515.15 : x
  2. Step 2: Convert to fraction form
    3,074.68/4,612.91 = 1,515.15/x
  3. Step 3: Cross multiply
    3,074.68x = 4,612.91 × 1,515.15
  4. Step 4: Simplify right side
    3,074.68x = 6,989,243.01
  5. Step 5: Solve for x
    x = 6,989,243.01/3,074.68
  6. Step 6: Final answer
    x = 2,273.16

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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.