Home / 3,013.79-4,527.62-2,138.46

Finding the Fourth Proportional to 3,013.79, 4,527.62 and 2,138.46

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Solution

The fourth proportional to 3,013.79, 4,527.62 and 2,138.46 is: 3,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.79 : 4,527.62 = 2,138.46 : x
  2. Step 2: Convert to fraction form
    3,013.79/4,527.62 = 2,138.46/x
  3. Step 3: Cross multiply
    3,013.79x = 4,527.62 × 2,138.46
  4. Step 4: Simplify right side
    3,013.79x = 9,682,123.57
  5. Step 5: Solve for x
    x = 9,682,123.57/3,013.79
  6. Step 6: Final answer
    x = 3,212.61

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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.