Home / 1,743.26-2,615.02-510.55

Finding the Fourth Proportional to 1,743.26, 2,615.02 and 510.55

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Solution

The fourth proportional to 1,743.26, 2,615.02 and 510.55 is: 765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.26 : 2,615.02 = 510.55 : x
  2. Step 2: Convert to fraction form
    1,743.26/2,615.02 = 510.55/x
  3. Step 3: Cross multiply
    1,743.26x = 2,615.02 × 510.55
  4. Step 4: Simplify right side
    1,743.26x = 1,335,090.65
  5. Step 5: Solve for x
    x = 1,335,090.65/1,743.26
  6. Step 6: Final answer
    x = 765.86

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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.