Home / 3,738.93-5,159.60-2,145.84

Finding the Fourth Proportional to 3,738.93, 5,159.60 and 2,145.84

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Solution

The fourth proportional to 3,738.93, 5,159.60 and 2,145.84 is: 2,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.93 : 5,159.60 = 2,145.84 : x
  2. Step 2: Convert to fraction form
    3,738.93/5,159.60 = 2,145.84/x
  3. Step 3: Cross multiply
    3,738.93x = 5,159.60 × 2,145.84
  4. Step 4: Simplify right side
    3,738.93x = 11,071,681.43
  5. Step 5: Solve for x
    x = 11,071,681.43/3,738.93
  6. Step 6: Final answer
    x = 2,961.19

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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.