Home / 3,292.56-4,931.81-2,665.15

Finding the Fourth Proportional to 3,292.56, 4,931.81 and 2,665.15

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Solution

The fourth proportional to 3,292.56, 4,931.81 and 2,665.15 is: 3,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.56 : 4,931.81 = 2,665.15 : x
  2. Step 2: Convert to fraction form
    3,292.56/4,931.81 = 2,665.15/x
  3. Step 3: Cross multiply
    3,292.56x = 4,931.81 × 2,665.15
  4. Step 4: Simplify right side
    3,292.56x = 13,144,016.25
  5. Step 5: Solve for x
    x = 13,144,016.25/3,292.56
  6. Step 6: Final answer
    x = 3,992.03

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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.