Home / 3,897.56-5,379.28-2,326.58

Finding the Fourth Proportional to 3,897.56, 5,379.28 and 2,326.58

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Solution

The fourth proportional to 3,897.56, 5,379.28 and 2,326.58 is: 3,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.56 : 5,379.28 = 2,326.58 : x
  2. Step 2: Convert to fraction form
    3,897.56/5,379.28 = 2,326.58/x
  3. Step 3: Cross multiply
    3,897.56x = 5,379.28 × 2,326.58
  4. Step 4: Simplify right side
    3,897.56x = 12,515,325.26
  5. Step 5: Solve for x
    x = 12,515,325.26/3,897.56
  6. Step 6: Final answer
    x = 3,211.07

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1.5x scale

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.