Home / 3,247.84-4,873.08-1,515.40

Finding the Fourth Proportional to 3,247.84, 4,873.08 and 1,515.40

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Solution

The fourth proportional to 3,247.84, 4,873.08 and 1,515.40 is: 2,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.84 : 4,873.08 = 1,515.40 : x
  2. Step 2: Convert to fraction form
    3,247.84/4,873.08 = 1,515.40/x
  3. Step 3: Cross multiply
    3,247.84x = 4,873.08 × 1,515.40
  4. Step 4: Simplify right side
    3,247.84x = 7,384,665.43
  5. Step 5: Solve for x
    x = 7,384,665.43/3,247.84
  6. Step 6: Final answer
    x = 2,273.72

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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.