Home / 2,199.15-3,299.33-1,787.27

Finding the Fourth Proportional to 2,199.15, 3,299.33 and 1,787.27

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Solution

The fourth proportional to 2,199.15, 3,299.33 and 1,787.27 is: 2,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.15 : 3,299.33 = 1,787.27 : x
  2. Step 2: Convert to fraction form
    2,199.15/3,299.33 = 1,787.27/x
  3. Step 3: Cross multiply
    2,199.15x = 3,299.33 × 1,787.27
  4. Step 4: Simplify right side
    2,199.15x = 5,896,781.50
  5. Step 5: Solve for x
    x = 5,896,781.50/2,199.15
  6. Step 6: Final answer
    x = 2,681.39

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1.5x scale

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.