Home / 2,209.40-3,314.51-1,341.89

Finding the Fourth Proportional to 2,209.40, 3,314.51 and 1,341.89

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Solution

The fourth proportional to 2,209.40, 3,314.51 and 1,341.89 is: 2,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.40 : 3,314.51 = 1,341.89 : x
  2. Step 2: Convert to fraction form
    2,209.40/3,314.51 = 1,341.89/x
  3. Step 3: Cross multiply
    2,209.40x = 3,314.51 × 1,341.89
  4. Step 4: Simplify right side
    2,209.40x = 4,447,684.54
  5. Step 5: Solve for x
    x = 4,447,684.54/2,209.40
  6. Step 6: Final answer
    x = 2,013.08

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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.