Home / 4,195.60-6,283.80-2,141.20

Finding the Fourth Proportional to 4,195.60, 6,283.80 and 2,141.20

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Solution

The fourth proportional to 4,195.60, 6,283.80 and 2,141.20 is: 3,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.60 : 6,283.80 = 2,141.20 : x
  2. Step 2: Convert to fraction form
    4,195.60/6,283.80 = 2,141.20/x
  3. Step 3: Cross multiply
    4,195.60x = 6,283.80 × 2,141.20
  4. Step 4: Simplify right side
    4,195.60x = 13,454,872.56
  5. Step 5: Solve for x
    x = 13,454,872.56/4,195.60
  6. Step 6: Final answer
    x = 3,206.90

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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.