Home / 2,612.27-3,915.65-1,224.44

Finding the Fourth Proportional to 2,612.27, 3,915.65 and 1,224.44

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Solution

The fourth proportional to 2,612.27, 3,915.65 and 1,224.44 is: 1,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.27 : 3,915.65 = 1,224.44 : x
  2. Step 2: Convert to fraction form
    2,612.27/3,915.65 = 1,224.44/x
  3. Step 3: Cross multiply
    2,612.27x = 3,915.65 × 1,224.44
  4. Step 4: Simplify right side
    2,612.27x = 4,794,452.79
  5. Step 5: Solve for x
    x = 4,794,452.79/2,612.27
  6. Step 6: Final answer
    x = 1,835.36

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1.5x scale

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.