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Finding the Fourth Proportional to 2,783.87, 3,841.71 and 1,524.90

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Solution

The fourth proportional to 2,783.87, 3,841.71 and 1,524.90 is: 2,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.87 : 3,841.71 = 1,524.90 : x
  2. Step 2: Convert to fraction form
    2,783.87/3,841.71 = 1,524.90/x
  3. Step 3: Cross multiply
    2,783.87x = 3,841.71 × 1,524.90
  4. Step 4: Simplify right side
    2,783.87x = 5,858,223.58
  5. Step 5: Solve for x
    x = 5,858,223.58/2,783.87
  6. Step 6: Final answer
    x = 2,104.35

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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.