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Finding the Fourth Proportional to 3,797.62, 5,240.71 and 2,118.93

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Solution

The fourth proportional to 3,797.62, 5,240.71 and 2,118.93 is: 2,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.62 : 5,240.71 = 2,118.93 : x
  2. Step 2: Convert to fraction form
    3,797.62/5,240.71 = 2,118.93/x
  3. Step 3: Cross multiply
    3,797.62x = 5,240.71 × 2,118.93
  4. Step 4: Simplify right side
    3,797.62x = 11,104,692.34
  5. Step 5: Solve for x
    x = 11,104,692.34/3,797.62
  6. Step 6: Final answer
    x = 2,924.12

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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.