Home / 2,217.84-3,325.09-1,047.15

Finding the Fourth Proportional to 2,217.84, 3,325.09 and 1,047.15

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Solution

The fourth proportional to 2,217.84, 3,325.09 and 1,047.15 is: 1,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.84 : 3,325.09 = 1,047.15 : x
  2. Step 2: Convert to fraction form
    2,217.84/3,325.09 = 1,047.15/x
  3. Step 3: Cross multiply
    2,217.84x = 3,325.09 × 1,047.15
  4. Step 4: Simplify right side
    2,217.84x = 3,481,887.11
  5. Step 5: Solve for x
    x = 3,481,887.11/2,217.84
  6. Step 6: Final answer
    x = 1,569.95

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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.