Home / 1,743.64-2,615.62-511.04

Finding the Fourth Proportional to 1,743.64, 2,615.62 and 511.04

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Solution

The fourth proportional to 1,743.64, 2,615.62 and 511.04 is: 766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.64 : 2,615.62 = 511.04 : x
  2. Step 2: Convert to fraction form
    1,743.64/2,615.62 = 511.04/x
  3. Step 3: Cross multiply
    1,743.64x = 2,615.62 × 511.04
  4. Step 4: Simplify right side
    1,743.64x = 1,336,686.44
  5. Step 5: Solve for x
    x = 1,336,686.44/1,743.64
  6. Step 6: Final answer
    x = 766.61

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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.