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Finding the Fourth Proportional to 2,792.30, 3,855.09 and 1,799.35

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Solution

The fourth proportional to 2,792.30, 3,855.09 and 1,799.35 is: 2,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.30 : 3,855.09 = 1,799.35 : x
  2. Step 2: Convert to fraction form
    2,792.30/3,855.09 = 1,799.35/x
  3. Step 3: Cross multiply
    2,792.30x = 3,855.09 × 1,799.35
  4. Step 4: Simplify right side
    2,792.30x = 6,936,656.19
  5. Step 5: Solve for x
    x = 6,936,656.19/2,792.30
  6. Step 6: Final answer
    x = 2,484.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.