Home / 4,202.97-6,302.61-1,280.59

Finding the Fourth Proportional to 4,202.97, 6,302.61 and 1,280.59

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Solution

The fourth proportional to 4,202.97, 6,302.61 and 1,280.59 is: 1,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.97 : 6,302.61 = 1,280.59 : x
  2. Step 2: Convert to fraction form
    4,202.97/6,302.61 = 1,280.59/x
  3. Step 3: Cross multiply
    4,202.97x = 6,302.61 × 1,280.59
  4. Step 4: Simplify right side
    4,202.97x = 8,071,059.34
  5. Step 5: Solve for x
    x = 8,071,059.34/4,202.97
  6. Step 6: Final answer
    x = 1,920.32

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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.