Home / 4,202.16-6,304.20-1,280.70

Finding the Fourth Proportional to 4,202.16, 6,304.20 and 1,280.70

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Solution

The fourth proportional to 4,202.16, 6,304.20 and 1,280.70 is: 1,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.16 : 6,304.20 = 1,280.70 : x
  2. Step 2: Convert to fraction form
    4,202.16/6,304.20 = 1,280.70/x
  3. Step 3: Cross multiply
    4,202.16x = 6,304.20 × 1,280.70
  4. Step 4: Simplify right side
    4,202.16x = 8,073,788.94
  5. Step 5: Solve for x
    x = 8,073,788.94/4,202.16
  6. Step 6: Final answer
    x = 1,921.34

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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.