Home / 2,721.70-3,755.81-1,526.54

Finding the Fourth Proportional to 2,721.70, 3,755.81 and 1,526.54

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Solution

The fourth proportional to 2,721.70, 3,755.81 and 1,526.54 is: 2,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.70 : 3,755.81 = 1,526.54 : x
  2. Step 2: Convert to fraction form
    2,721.70/3,755.81 = 1,526.54/x
  3. Step 3: Cross multiply
    2,721.70x = 3,755.81 × 1,526.54
  4. Step 4: Simplify right side
    2,721.70x = 5,733,391.94
  5. Step 5: Solve for x
    x = 5,733,391.94/2,721.70
  6. Step 6: Final answer
    x = 2,106.55

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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.