Home / 3,764.98-5,200.62-2,891.57

Finding the Fourth Proportional to 3,764.98, 5,200.62 and 2,891.57

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Solution

The fourth proportional to 3,764.98, 5,200.62 and 2,891.57 is: 3,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.98 : 5,200.62 = 2,891.57 : x
  2. Step 2: Convert to fraction form
    3,764.98/5,200.62 = 2,891.57/x
  3. Step 3: Cross multiply
    3,764.98x = 5,200.62 × 2,891.57
  4. Step 4: Simplify right side
    3,764.98x = 15,037,956.77
  5. Step 5: Solve for x
    x = 15,037,956.77/3,764.98
  6. Step 6: Final answer
    x = 3,994.17

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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.