Home / 2,539.06-3,805.34-1,306.24

Finding the Fourth Proportional to 2,539.06, 3,805.34 and 1,306.24

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Solution

The fourth proportional to 2,539.06, 3,805.34 and 1,306.24 is: 1,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.06 : 3,805.34 = 1,306.24 : x
  2. Step 2: Convert to fraction form
    2,539.06/3,805.34 = 1,306.24/x
  3. Step 3: Cross multiply
    2,539.06x = 3,805.34 × 1,306.24
  4. Step 4: Simplify right side
    2,539.06x = 4,970,687.32
  5. Step 5: Solve for x
    x = 4,970,687.32/2,539.06
  6. Step 6: Final answer
    x = 1,957.69

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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.