Home / 3,348.20-5,016.90-2,113.40

Finding the Fourth Proportional to 3,348.20, 5,016.90 and 2,113.40

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Solution

The fourth proportional to 3,348.20, 5,016.90 and 2,113.40 is: 3,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.20 : 5,016.90 = 2,113.40 : x
  2. Step 2: Convert to fraction form
    3,348.20/5,016.90 = 2,113.40/x
  3. Step 3: Cross multiply
    3,348.20x = 5,016.90 × 2,113.40
  4. Step 4: Simplify right side
    3,348.20x = 10,602,716.46
  5. Step 5: Solve for x
    x = 10,602,716.46/3,348.20
  6. Step 6: Final answer
    x = 3,166.69

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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.