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Finding the Fourth Proportional to 3,838.82, 5,758.11 and 1,373.45

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Solution

The fourth proportional to 3,838.82, 5,758.11 and 1,373.45 is: 2,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.82 : 5,758.11 = 1,373.45 : x
  2. Step 2: Convert to fraction form
    3,838.82/5,758.11 = 1,373.45/x
  3. Step 3: Cross multiply
    3,838.82x = 5,758.11 × 1,373.45
  4. Step 4: Simplify right side
    3,838.82x = 7,908,447.39
  5. Step 5: Solve for x
    x = 7,908,447.39/3,838.82
  6. Step 6: Final answer
    x = 2,060.13

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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.