Home / 3,322.19-4,976.54-1,540.74

Finding the Fourth Proportional to 3,322.19, 4,976.54 and 1,540.74

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Solution

The fourth proportional to 3,322.19, 4,976.54 and 1,540.74 is: 2,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.19 : 4,976.54 = 1,540.74 : x
  2. Step 2: Convert to fraction form
    3,322.19/4,976.54 = 1,540.74/x
  3. Step 3: Cross multiply
    3,322.19x = 4,976.54 × 1,540.74
  4. Step 4: Simplify right side
    3,322.19x = 7,667,554.24
  5. Step 5: Solve for x
    x = 7,667,554.24/3,322.19
  6. Step 6: Final answer
    x = 2,307.98

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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.