Home / 3,127.82-4,316.27-1,801.52

Finding the Fourth Proportional to 3,127.82, 4,316.27 and 1,801.52

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Solution

The fourth proportional to 3,127.82, 4,316.27 and 1,801.52 is: 2,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.82 : 4,316.27 = 1,801.52 : x
  2. Step 2: Convert to fraction form
    3,127.82/4,316.27 = 1,801.52/x
  3. Step 3: Cross multiply
    3,127.82x = 4,316.27 × 1,801.52
  4. Step 4: Simplify right side
    3,127.82x = 7,775,825.15
  5. Step 5: Solve for x
    x = 7,775,825.15/3,127.82
  6. Step 6: Final answer
    x = 2,486.02

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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.