Home / 2,845.16-4,265.46-1,909.08

Finding the Fourth Proportional to 2,845.16, 4,265.46 and 1,909.08

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Solution

The fourth proportional to 2,845.16, 4,265.46 and 1,909.08 is: 2,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.16 : 4,265.46 = 1,909.08 : x
  2. Step 2: Convert to fraction form
    2,845.16/4,265.46 = 1,909.08/x
  3. Step 3: Cross multiply
    2,845.16x = 4,265.46 × 1,909.08
  4. Step 4: Simplify right side
    2,845.16x = 8,143,104.38
  5. Step 5: Solve for x
    x = 8,143,104.38/2,845.16
  6. Step 6: Final answer
    x = 2,862.09

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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.