Home / 4,128.52-5,695.05-2,712.43

Finding the Fourth Proportional to 4,128.52, 5,695.05 and 2,712.43

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Solution

The fourth proportional to 4,128.52, 5,695.05 and 2,712.43 is: 3,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.52 : 5,695.05 = 2,712.43 : x
  2. Step 2: Convert to fraction form
    4,128.52/5,695.05 = 2,712.43/x
  3. Step 3: Cross multiply
    4,128.52x = 5,695.05 × 2,712.43
  4. Step 4: Simplify right side
    4,128.52x = 15,447,424.47
  5. Step 5: Solve for x
    x = 15,447,424.47/4,128.52
  6. Step 6: Final answer
    x = 3,741.64

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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.