Home / 3,539.20-5,310.96-1,460.20

Finding the Fourth Proportional to 3,539.20, 5,310.96 and 1,460.20

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Solution

The fourth proportional to 3,539.20, 5,310.96 and 1,460.20 is: 2,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.20 : 5,310.96 = 1,460.20 : x
  2. Step 2: Convert to fraction form
    3,539.20/5,310.96 = 1,460.20/x
  3. Step 3: Cross multiply
    3,539.20x = 5,310.96 × 1,460.20
  4. Step 4: Simplify right side
    3,539.20x = 7,755,063.79
  5. Step 5: Solve for x
    x = 7,755,063.79/3,539.20
  6. Step 6: Final answer
    x = 2,191.19

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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.