Home / 3,738.56-5,601.28-1,788.16

Finding the Fourth Proportional to 3,738.56, 5,601.28 and 1,788.16

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Solution

The fourth proportional to 3,738.56, 5,601.28 and 1,788.16 is: 2,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.56 : 5,601.28 = 1,788.16 : x
  2. Step 2: Convert to fraction form
    3,738.56/5,601.28 = 1,788.16/x
  3. Step 3: Cross multiply
    3,738.56x = 5,601.28 × 1,788.16
  4. Step 4: Simplify right side
    3,738.56x = 10,015,984.84
  5. Step 5: Solve for x
    x = 10,015,984.84/3,738.56
  6. Step 6: Final answer
    x = 2,679.10

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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.