Home / 3,072.74-4,237.20-2,176.06

Finding the Fourth Proportional to 3,072.74, 4,237.20 and 2,176.06

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Solution

The fourth proportional to 3,072.74, 4,237.20 and 2,176.06 is: 3,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.74 : 4,237.20 = 2,176.06 : x
  2. Step 2: Convert to fraction form
    3,072.74/4,237.20 = 2,176.06/x
  3. Step 3: Cross multiply
    3,072.74x = 4,237.20 × 2,176.06
  4. Step 4: Simplify right side
    3,072.74x = 9,220,401.43
  5. Step 5: Solve for x
    x = 9,220,401.43/3,072.74
  6. Step 6: Final answer
    x = 3,000.71

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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.