Home / 3,897.96-5,379.66-2,326.02

Finding the Fourth Proportional to 3,897.96, 5,379.66 and 2,326.02

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Solution

The fourth proportional to 3,897.96, 5,379.66 and 2,326.02 is: 3,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.96 : 5,379.66 = 2,326.02 : x
  2. Step 2: Convert to fraction form
    3,897.96/5,379.66 = 2,326.02/x
  3. Step 3: Cross multiply
    3,897.96x = 5,379.66 × 2,326.02
  4. Step 4: Simplify right side
    3,897.96x = 12,513,196.75
  5. Step 5: Solve for x
    x = 12,513,196.75/3,897.96
  6. Step 6: Final answer
    x = 3,210.19

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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.