Home / 3,388.55-4,674.33-2,381.81

Finding the Fourth Proportional to 3,388.55, 4,674.33 and 2,381.81

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Solution

The fourth proportional to 3,388.55, 4,674.33 and 2,381.81 is: 3,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.55 : 4,674.33 = 2,381.81 : x
  2. Step 2: Convert to fraction form
    3,388.55/4,674.33 = 2,381.81/x
  3. Step 3: Cross multiply
    3,388.55x = 4,674.33 × 2,381.81
  4. Step 4: Simplify right side
    3,388.55x = 11,133,342.57
  5. Step 5: Solve for x
    x = 11,133,342.57/3,388.55
  6. Step 6: Final answer
    x = 3,285.58

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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.