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Finding the Fourth Proportional to 3,885.56, 5,823.70 and 2,238.68

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Solution

The fourth proportional to 3,885.56, 5,823.70 and 2,238.68 is: 3,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.56 : 5,823.70 = 2,238.68 : x
  2. Step 2: Convert to fraction form
    3,885.56/5,823.70 = 2,238.68/x
  3. Step 3: Cross multiply
    3,885.56x = 5,823.70 × 2,238.68
  4. Step 4: Simplify right side
    3,885.56x = 13,037,400.72
  5. Step 5: Solve for x
    x = 13,037,400.72/3,885.56
  6. Step 6: Final answer
    x = 3,355.35

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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.