Home / 3,141.79-4,713.46-2,219.15

Finding the Fourth Proportional to 3,141.79, 4,713.46 and 2,219.15

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Solution

The fourth proportional to 3,141.79, 4,713.46 and 2,219.15 is: 3,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.79 : 4,713.46 = 2,219.15 : x
  2. Step 2: Convert to fraction form
    3,141.79/4,713.46 = 2,219.15/x
  3. Step 3: Cross multiply
    3,141.79x = 4,713.46 × 2,219.15
  4. Step 4: Simplify right side
    3,141.79x = 10,459,851.19
  5. Step 5: Solve for x
    x = 10,459,851.19/3,141.79
  6. Step 6: Final answer
    x = 3,329.27

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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.