Home / 2,287.14-3,432.54-1,191.84

Finding the Fourth Proportional to 2,287.14, 3,432.54 and 1,191.84

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Solution

The fourth proportional to 2,287.14, 3,432.54 and 1,191.84 is: 1,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.14 : 3,432.54 = 1,191.84 : x
  2. Step 2: Convert to fraction form
    2,287.14/3,432.54 = 1,191.84/x
  3. Step 3: Cross multiply
    2,287.14x = 3,432.54 × 1,191.84
  4. Step 4: Simplify right side
    2,287.14x = 4,091,038.47
  5. Step 5: Solve for x
    x = 4,091,038.47/2,287.14
  6. Step 6: Final answer
    x = 1,788.71

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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.