Home / 3,365.84-5,049.30-1,418.16

Finding the Fourth Proportional to 3,365.84, 5,049.30 and 1,418.16

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Solution

The fourth proportional to 3,365.84, 5,049.30 and 1,418.16 is: 2,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.84 : 5,049.30 = 1,418.16 : x
  2. Step 2: Convert to fraction form
    3,365.84/5,049.30 = 1,418.16/x
  3. Step 3: Cross multiply
    3,365.84x = 5,049.30 × 1,418.16
  4. Step 4: Simplify right side
    3,365.84x = 7,160,715.29
  5. Step 5: Solve for x
    x = 7,160,715.29/3,365.84
  6. Step 6: Final answer
    x = 2,127.47

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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.