Home / 3,145.06-4,713.81-2,219.23

Finding the Fourth Proportional to 3,145.06, 4,713.81 and 2,219.23

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Solution

The fourth proportional to 3,145.06, 4,713.81 and 2,219.23 is: 3,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.06 : 4,713.81 = 2,219.23 : x
  2. Step 2: Convert to fraction form
    3,145.06/4,713.81 = 2,219.23/x
  3. Step 3: Cross multiply
    3,145.06x = 4,713.81 × 2,219.23
  4. Step 4: Simplify right side
    3,145.06x = 10,461,028.57
  5. Step 5: Solve for x
    x = 10,461,028.57/3,145.06
  6. Step 6: Final answer
    x = 3,326.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.