Home / 2,208.92-3,047.15-1,369.35

Finding the Fourth Proportional to 2,208.92, 3,047.15 and 1,369.35

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Solution

The fourth proportional to 2,208.92, 3,047.15 and 1,369.35 is: 1,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.92 : 3,047.15 = 1,369.35 : x
  2. Step 2: Convert to fraction form
    2,208.92/3,047.15 = 1,369.35/x
  3. Step 3: Cross multiply
    2,208.92x = 3,047.15 × 1,369.35
  4. Step 4: Simplify right side
    2,208.92x = 4,172,614.85
  5. Step 5: Solve for x
    x = 4,172,614.85/2,208.92
  6. Step 6: Final answer
    x = 1,888.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.