Home / 3,013.98-4,527.90-2,138.66

Finding the Fourth Proportional to 3,013.98, 4,527.90 and 2,138.66

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Solution

The fourth proportional to 3,013.98, 4,527.90 and 2,138.66 is: 3,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.98 : 4,527.90 = 2,138.66 : x
  2. Step 2: Convert to fraction form
    3,013.98/4,527.90 = 2,138.66/x
  3. Step 3: Cross multiply
    3,013.98x = 4,527.90 × 2,138.66
  4. Step 4: Simplify right side
    3,013.98x = 9,683,615.97
  5. Step 5: Solve for x
    x = 9,683,615.97/3,013.98
  6. Step 6: Final answer
    x = 3,212.90

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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.