Home / 4,211.70-5,812.02-2,640.66

Finding the Fourth Proportional to 4,211.70, 5,812.02 and 2,640.66

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Solution

The fourth proportional to 4,211.70, 5,812.02 and 2,640.66 is: 3,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.70 : 5,812.02 = 2,640.66 : x
  2. Step 2: Convert to fraction form
    4,211.70/5,812.02 = 2,640.66/x
  3. Step 3: Cross multiply
    4,211.70x = 5,812.02 × 2,640.66
  4. Step 4: Simplify right side
    4,211.70x = 15,347,568.73
  5. Step 5: Solve for x
    x = 15,347,568.73/4,211.70
  6. Step 6: Final answer
    x = 3,644.03

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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.