Home / 1,743.57-2,615.07-510.69

Finding the Fourth Proportional to 1,743.57, 2,615.07 and 510.69

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Solution

The fourth proportional to 1,743.57, 2,615.07 and 510.69 is: 765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.57 : 2,615.07 = 510.69 : x
  2. Step 2: Convert to fraction form
    1,743.57/2,615.07 = 510.69/x
  3. Step 3: Cross multiply
    1,743.57x = 2,615.07 × 510.69
  4. Step 4: Simplify right side
    1,743.57x = 1,335,478.30
  5. Step 5: Solve for x
    x = 1,335,478.30/1,743.57
  6. Step 6: Final answer
    x = 765.95

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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.