Home / 2,642.55-3,964.23-1,083.39

Finding the Fourth Proportional to 2,642.55, 3,964.23 and 1,083.39

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Solution

The fourth proportional to 2,642.55, 3,964.23 and 1,083.39 is: 1,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.55 : 3,964.23 = 1,083.39 : x
  2. Step 2: Convert to fraction form
    2,642.55/3,964.23 = 1,083.39/x
  3. Step 3: Cross multiply
    2,642.55x = 3,964.23 × 1,083.39
  4. Step 4: Simplify right side
    2,642.55x = 4,294,807.14
  5. Step 5: Solve for x
    x = 4,294,807.14/2,642.55
  6. Step 6: Final answer
    x = 1,625.25

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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.