Home / 3,146.97-4,341.91-2,028.29

Finding the Fourth Proportional to 3,146.97, 4,341.91 and 2,028.29

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Solution

The fourth proportional to 3,146.97, 4,341.91 and 2,028.29 is: 2,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.97 : 4,341.91 = 2,028.29 : x
  2. Step 2: Convert to fraction form
    3,146.97/4,341.91 = 2,028.29/x
  3. Step 3: Cross multiply
    3,146.97x = 4,341.91 × 2,028.29
  4. Step 4: Simplify right side
    3,146.97x = 8,806,642.49
  5. Step 5: Solve for x
    x = 8,806,642.49/3,146.97
  6. Step 6: Final answer
    x = 2,798.45

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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.