Home / 2,209.34-3,048.11-1,369.17

Finding the Fourth Proportional to 2,209.34, 3,048.11 and 1,369.17

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Solution

The fourth proportional to 2,209.34, 3,048.11 and 1,369.17 is: 1,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.34 : 3,048.11 = 1,369.17 : x
  2. Step 2: Convert to fraction form
    2,209.34/3,048.11 = 1,369.17/x
  3. Step 3: Cross multiply
    2,209.34x = 3,048.11 × 1,369.17
  4. Step 4: Simplify right side
    2,209.34x = 4,173,380.77
  5. Step 5: Solve for x
    x = 4,173,380.77/2,209.34
  6. Step 6: Final answer
    x = 1,888.97

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1.5x scale

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.