Home / 2,280.98-3,420.75-1,447.46

Finding the Fourth Proportional to 2,280.98, 3,420.75 and 1,447.46

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Solution

The fourth proportional to 2,280.98, 3,420.75 and 1,447.46 is: 2,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.98 : 3,420.75 = 1,447.46 : x
  2. Step 2: Convert to fraction form
    2,280.98/3,420.75 = 1,447.46/x
  3. Step 3: Cross multiply
    2,280.98x = 3,420.75 × 1,447.46
  4. Step 4: Simplify right side
    2,280.98x = 4,951,398.80
  5. Step 5: Solve for x
    x = 4,951,398.80/2,280.98
  6. Step 6: Final answer
    x = 2,170.73

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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.