Home / 2,835.40-4,252.82-1,191.50

Finding the Fourth Proportional to 2,835.40, 4,252.82 and 1,191.50

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Solution

The fourth proportional to 2,835.40, 4,252.82 and 1,191.50 is: 1,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.40 : 4,252.82 = 1,191.50 : x
  2. Step 2: Convert to fraction form
    2,835.40/4,252.82 = 1,191.50/x
  3. Step 3: Cross multiply
    2,835.40x = 4,252.82 × 1,191.50
  4. Step 4: Simplify right side
    2,835.40x = 5,067,235.03
  5. Step 5: Solve for x
    x = 5,067,235.03/2,835.40
  6. Step 6: Final answer
    x = 1,787.13

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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.