Home / 2,736.85-3,774.29-2,179.16

Finding the Fourth Proportional to 2,736.85, 3,774.29 and 2,179.16

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Solution

The fourth proportional to 2,736.85, 3,774.29 and 2,179.16 is: 3,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.85 : 3,774.29 = 2,179.16 : x
  2. Step 2: Convert to fraction form
    2,736.85/3,774.29 = 2,179.16/x
  3. Step 3: Cross multiply
    2,736.85x = 3,774.29 × 2,179.16
  4. Step 4: Simplify right side
    2,736.85x = 8,224,781.80
  5. Step 5: Solve for x
    x = 8,224,781.80/2,736.85
  6. Step 6: Final answer
    x = 3,005.20

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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.