Home / 1,743.84-2,613.20-1,126.56

Finding the Fourth Proportional to 1,743.84, 2,613.20 and 1,126.56

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Solution

The fourth proportional to 1,743.84, 2,613.20 and 1,126.56 is: 1,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.84 : 2,613.20 = 1,126.56 : x
  2. Step 2: Convert to fraction form
    1,743.84/2,613.20 = 1,126.56/x
  3. Step 3: Cross multiply
    1,743.84x = 2,613.20 × 1,126.56
  4. Step 4: Simplify right side
    1,743.84x = 2,943,926.59
  5. Step 5: Solve for x
    x = 2,943,926.59/1,743.84
  6. Step 6: Final answer
    x = 1,688.19

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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.