Home / 3,837.28-5,758.80-2,378.56

Finding the Fourth Proportional to 3,837.28, 5,758.80 and 2,378.56

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Solution

The fourth proportional to 3,837.28, 5,758.80 and 2,378.56 is: 3,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.28 : 5,758.80 = 2,378.56 : x
  2. Step 2: Convert to fraction form
    3,837.28/5,758.80 = 2,378.56/x
  3. Step 3: Cross multiply
    3,837.28x = 5,758.80 × 2,378.56
  4. Step 4: Simplify right side
    3,837.28x = 13,697,651.33
  5. Step 5: Solve for x
    x = 13,697,651.33/3,837.28
  6. Step 6: Final answer
    x = 3,569.63

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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.