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Finding the Fourth Proportional to 2,788.82, 3,838.82 and 2,526.38

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Solution

The fourth proportional to 2,788.82, 3,838.82 and 2,526.38 is: 3,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.82 : 3,838.82 = 2,526.38 : x
  2. Step 2: Convert to fraction form
    2,788.82/3,838.82 = 2,526.38/x
  3. Step 3: Cross multiply
    2,788.82x = 3,838.82 × 2,526.38
  4. Step 4: Simplify right side
    2,788.82x = 9,698,318.07
  5. Step 5: Solve for x
    x = 9,698,318.07/2,788.82
  6. Step 6: Final answer
    x = 3,477.57

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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.