Home / 3,247.72-4,870.14-2,015.08

Finding the Fourth Proportional to 3,247.72, 4,870.14 and 2,015.08

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Solution

The fourth proportional to 3,247.72, 4,870.14 and 2,015.08 is: 3,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.72 : 4,870.14 = 2,015.08 : x
  2. Step 2: Convert to fraction form
    3,247.72/4,870.14 = 2,015.08/x
  3. Step 3: Cross multiply
    3,247.72x = 4,870.14 × 2,015.08
  4. Step 4: Simplify right side
    3,247.72x = 9,813,721.71
  5. Step 5: Solve for x
    x = 9,813,721.71/3,247.72
  6. Step 6: Final answer
    x = 3,021.73

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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.