Home / 3,305.12-4,982.69-3,126.51

Finding the Fourth Proportional to 3,305.12, 4,982.69 and 3,126.51

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Solution

The fourth proportional to 3,305.12, 4,982.69 and 3,126.51 is: 4,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.12 : 4,982.69 = 3,126.51 : x
  2. Step 2: Convert to fraction form
    3,305.12/4,982.69 = 3,126.51/x
  3. Step 3: Cross multiply
    3,305.12x = 4,982.69 × 3,126.51
  4. Step 4: Simplify right side
    3,305.12x = 15,578,437.93
  5. Step 5: Solve for x
    x = 15,578,437.93/3,305.12
  6. Step 6: Final answer
    x = 4,713.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.