Home / 3,885.85-5,362.73-2,313.73

Finding the Fourth Proportional to 3,885.85, 5,362.73 and 2,313.73

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Solution

The fourth proportional to 3,885.85, 5,362.73 and 2,313.73 is: 3,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.85 : 5,362.73 = 2,313.73 : x
  2. Step 2: Convert to fraction form
    3,885.85/5,362.73 = 2,313.73/x
  3. Step 3: Cross multiply
    3,885.85x = 5,362.73 × 2,313.73
  4. Step 4: Simplify right side
    3,885.85x = 12,407,909.28
  5. Step 5: Solve for x
    x = 12,407,909.28/3,885.85
  6. Step 6: Final answer
    x = 3,193.10

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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.