Home / 3,757.77-5,185.74-2,101.77

Finding the Fourth Proportional to 3,757.77, 5,185.74 and 2,101.77

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Solution

The fourth proportional to 3,757.77, 5,185.74 and 2,101.77 is: 2,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.77 : 5,185.74 = 2,101.77 : x
  2. Step 2: Convert to fraction form
    3,757.77/5,185.74 = 2,101.77/x
  3. Step 3: Cross multiply
    3,757.77x = 5,185.74 × 2,101.77
  4. Step 4: Simplify right side
    3,757.77x = 10,899,232.76
  5. Step 5: Solve for x
    x = 10,899,232.76/3,757.77
  6. Step 6: Final answer
    x = 2,900.45

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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.