Home / 2,716.47-3,747.60-1,772.64

Finding the Fourth Proportional to 2,716.47, 3,747.60 and 1,772.64

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Solution

The fourth proportional to 2,716.47, 3,747.60 and 1,772.64 is: 2,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.47 : 3,747.60 = 1,772.64 : x
  2. Step 2: Convert to fraction form
    2,716.47/3,747.60 = 1,772.64/x
  3. Step 3: Cross multiply
    2,716.47x = 3,747.60 × 1,772.64
  4. Step 4: Simplify right side
    2,716.47x = 6,643,145.66
  5. Step 5: Solve for x
    x = 6,643,145.66/2,716.47
  6. Step 6: Final answer
    x = 2,445.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.