Home / 2,874.24-3,962.88-2,612.16

Finding the Fourth Proportional to 2,874.24, 3,962.88 and 2,612.16

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Solution

The fourth proportional to 2,874.24, 3,962.88 and 2,612.16 is: 3,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.24 : 3,962.88 = 2,612.16 : x
  2. Step 2: Convert to fraction form
    2,874.24/3,962.88 = 2,612.16/x
  3. Step 3: Cross multiply
    2,874.24x = 3,962.88 × 2,612.16
  4. Step 4: Simplify right side
    2,874.24x = 10,351,676.62
  5. Step 5: Solve for x
    x = 10,351,676.62/2,874.24
  6. Step 6: Final answer
    x = 3,601.54

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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.