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Finding the Fourth Proportional to 2,961.02, 4,079.57 and 2,480.49

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Solution

The fourth proportional to 2,961.02, 4,079.57 and 2,480.49 is: 3,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.02 : 4,079.57 = 2,480.49 : x
  2. Step 2: Convert to fraction form
    2,961.02/4,079.57 = 2,480.49/x
  3. Step 3: Cross multiply
    2,961.02x = 4,079.57 × 2,480.49
  4. Step 4: Simplify right side
    2,961.02x = 10,119,320.19
  5. Step 5: Solve for x
    x = 10,119,320.19/2,961.02
  6. Step 6: Final answer
    x = 3,417.51

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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.