Home / 3,885.23-5,361.86-2,313.11

Finding the Fourth Proportional to 3,885.23, 5,361.86 and 2,313.11

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Solution

The fourth proportional to 3,885.23, 5,361.86 and 2,313.11 is: 3,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.23 : 5,361.86 = 2,313.11 : x
  2. Step 2: Convert to fraction form
    3,885.23/5,361.86 = 2,313.11/x
  3. Step 3: Cross multiply
    3,885.23x = 5,361.86 × 2,313.11
  4. Step 4: Simplify right side
    3,885.23x = 12,402,571.98
  5. Step 5: Solve for x
    x = 12,402,571.98/3,885.23
  6. Step 6: Final answer
    x = 3,192.24

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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.