Home / 3,111.17-4,666.75-2,134.31

Finding the Fourth Proportional to 3,111.17, 4,666.75 and 2,134.31

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Solution

The fourth proportional to 3,111.17, 4,666.75 and 2,134.31 is: 3,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.17 : 4,666.75 = 2,134.31 : x
  2. Step 2: Convert to fraction form
    3,111.17/4,666.75 = 2,134.31/x
  3. Step 3: Cross multiply
    3,111.17x = 4,666.75 × 2,134.31
  4. Step 4: Simplify right side
    3,111.17x = 9,960,262.52
  5. Step 5: Solve for x
    x = 9,960,262.52/3,111.17
  6. Step 6: Final answer
    x = 3,201.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.