Home / 1,743.99-2,616.18-511.57

Finding the Fourth Proportional to 1,743.99, 2,616.18 and 511.57

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Solution

The fourth proportional to 1,743.99, 2,616.18 and 511.57 is: 767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.99 : 2,616.18 = 511.57 : x
  2. Step 2: Convert to fraction form
    1,743.99/2,616.18 = 511.57/x
  3. Step 3: Cross multiply
    1,743.99x = 2,616.18 × 511.57
  4. Step 4: Simplify right side
    1,743.99x = 1,338,359.20
  5. Step 5: Solve for x
    x = 1,338,359.20/1,743.99
  6. Step 6: Final answer
    x = 767.41

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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.