Home / 2,983.06-4,453.13-2,766.79

Finding the Fourth Proportional to 2,983.06, 4,453.13 and 2,766.79

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Solution

The fourth proportional to 2,983.06, 4,453.13 and 2,766.79 is: 4,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.06 : 4,453.13 = 2,766.79 : x
  2. Step 2: Convert to fraction form
    2,983.06/4,453.13 = 2,766.79/x
  3. Step 3: Cross multiply
    2,983.06x = 4,453.13 × 2,766.79
  4. Step 4: Simplify right side
    2,983.06x = 12,320,872.47
  5. Step 5: Solve for x
    x = 12,320,872.47/2,983.06
  6. Step 6: Final answer
    x = 4,130.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.