Home / 2,512.19-3,466.12-1,979.42

Finding the Fourth Proportional to 2,512.19, 3,466.12 and 1,979.42

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Solution

The fourth proportional to 2,512.19, 3,466.12 and 1,979.42 is: 2,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.19 : 3,466.12 = 1,979.42 : x
  2. Step 2: Convert to fraction form
    2,512.19/3,466.12 = 1,979.42/x
  3. Step 3: Cross multiply
    2,512.19x = 3,466.12 × 1,979.42
  4. Step 4: Simplify right side
    2,512.19x = 6,860,915.30
  5. Step 5: Solve for x
    x = 6,860,915.30/2,512.19
  6. Step 6: Final answer
    x = 2,731.05

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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.