Home / 3,886.97-5,812.73-2,900.48

Finding the Fourth Proportional to 3,886.97, 5,812.73 and 2,900.48

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Solution

The fourth proportional to 3,886.97, 5,812.73 and 2,900.48 is: 4,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.97 : 5,812.73 = 2,900.48 : x
  2. Step 2: Convert to fraction form
    3,886.97/5,812.73 = 2,900.48/x
  3. Step 3: Cross multiply
    3,886.97x = 5,812.73 × 2,900.48
  4. Step 4: Simplify right side
    3,886.97x = 16,859,692.61
  5. Step 5: Solve for x
    x = 16,859,692.61/3,886.97
  6. Step 6: Final answer
    x = 4,337.49

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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.