Home / 1,348.11-2,023.52-1,209.33

Finding the Fourth Proportional to 1,348.11, 2,023.52 and 1,209.33

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Solution

The fourth proportional to 1,348.11, 2,023.52 and 1,209.33 is: 1,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.11 : 2,023.52 = 1,209.33 : x
  2. Step 2: Convert to fraction form
    1,348.11/2,023.52 = 1,209.33/x
  3. Step 3: Cross multiply
    1,348.11x = 2,023.52 × 1,209.33
  4. Step 4: Simplify right side
    1,348.11x = 2,447,097.39
  5. Step 5: Solve for x
    x = 2,447,097.39/1,348.11
  6. Step 6: Final answer
    x = 1,815.21

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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.