Home / 3,885.63-5,362.67-2,313.72

Finding the Fourth Proportional to 3,885.63, 5,362.67 and 2,313.72

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Solution

The fourth proportional to 3,885.63, 5,362.67 and 2,313.72 is: 3,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.63 : 5,362.67 = 2,313.72 : x
  2. Step 2: Convert to fraction form
    3,885.63/5,362.67 = 2,313.72/x
  3. Step 3: Cross multiply
    3,885.63x = 5,362.67 × 2,313.72
  4. Step 4: Simplify right side
    3,885.63x = 12,407,716.83
  5. Step 5: Solve for x
    x = 12,407,716.83/3,885.63
  6. Step 6: Final answer
    x = 3,193.23

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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.