Home / 1,743.89-2,615.84-1,226.21

Finding the Fourth Proportional to 1,743.89, 2,615.84 and 1,226.21

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Solution

The fourth proportional to 1,743.89, 2,615.84 and 1,226.21 is: 1,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.89 : 2,615.84 = 1,226.21 : x
  2. Step 2: Convert to fraction form
    1,743.89/2,615.84 = 1,226.21/x
  3. Step 3: Cross multiply
    1,743.89x = 2,615.84 × 1,226.21
  4. Step 4: Simplify right side
    1,743.89x = 3,207,549.96
  5. Step 5: Solve for x
    x = 3,207,549.96/1,743.89
  6. Step 6: Final answer
    x = 1,839.31

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Similar ratio
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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.