Home / 2,209.48-3,314.12-910.04

Finding the Fourth Proportional to 2,209.48, 3,314.12 and 910.04

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Solution

The fourth proportional to 2,209.48, 3,314.12 and 910.04 is: 1,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.48 : 3,314.12 = 910.04 : x
  2. Step 2: Convert to fraction form
    2,209.48/3,314.12 = 910.04/x
  3. Step 3: Cross multiply
    2,209.48x = 3,314.12 × 910.04
  4. Step 4: Simplify right side
    2,209.48x = 3,015,960.64
  5. Step 5: Solve for x
    x = 3,015,960.64/2,209.48
  6. Step 6: Final answer
    x = 1,365.01

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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.