Home / 3,142.12-4,713.08-950.80

Finding the Fourth Proportional to 3,142.12, 4,713.08 and 950.80

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Solution

The fourth proportional to 3,142.12, 4,713.08 and 950.80 is: 1,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.12 : 4,713.08 = 950.80 : x
  2. Step 2: Convert to fraction form
    3,142.12/4,713.08 = 950.80/x
  3. Step 3: Cross multiply
    3,142.12x = 4,713.08 × 950.80
  4. Step 4: Simplify right side
    3,142.12x = 4,481,196.46
  5. Step 5: Solve for x
    x = 4,481,196.46/3,142.12
  6. Step 6: Final answer
    x = 1,426.17

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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.