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Finding the Fourth Proportional to 3,363, 5,049.14 and 2,320.53

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Solution

The fourth proportional to 3,363, 5,049.14 and 2,320.53 is: 3,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363 : 5,049.14 = 2,320.53 : x
  2. Step 2: Convert to fraction form
    3,363/5,049.14 = 2,320.53/x
  3. Step 3: Cross multiply
    3,363x = 5,049.14 × 2,320.53
  4. Step 4: Simplify right side
    3,363x = 11,716,669.24
  5. Step 5: Solve for x
    x = 11,716,669.24/3,363
  6. Step 6: Final answer
    x = 3,483.99

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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.