Home / 1,891.08-2,835.12-1,479

Finding the Fourth Proportional to 1,891.08, 2,835.12 and 1,479

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Solution

The fourth proportional to 1,891.08, 2,835.12 and 1,479 is: 2,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.08 : 2,835.12 = 1,479 : x
  2. Step 2: Convert to fraction form
    1,891.08/2,835.12 = 1,479/x
  3. Step 3: Cross multiply
    1,891.08x = 2,835.12 × 1,479
  4. Step 4: Simplify right side
    1,891.08x = 4,193,142.48
  5. Step 5: Solve for x
    x = 4,193,142.48/1,891.08
  6. Step 6: Final answer
    x = 2,217.33

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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.