Home / 2,326.02-3,208.38-1,381.11

Finding the Fourth Proportional to 2,326.02, 3,208.38 and 1,381.11

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Solution

The fourth proportional to 2,326.02, 3,208.38 and 1,381.11 is: 1,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.02 : 3,208.38 = 1,381.11 : x
  2. Step 2: Convert to fraction form
    2,326.02/3,208.38 = 1,381.11/x
  3. Step 3: Cross multiply
    2,326.02x = 3,208.38 × 1,381.11
  4. Step 4: Simplify right side
    2,326.02x = 4,431,125.70
  5. Step 5: Solve for x
    x = 4,431,125.70/2,326.02
  6. Step 6: Final answer
    x = 1,905.02

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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.