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Finding the Fourth Proportional to 2,606.70, 3,600.28 and 1,901.74

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Solution

The fourth proportional to 2,606.70, 3,600.28 and 1,901.74 is: 2,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.70 : 3,600.28 = 1,901.74 : x
  2. Step 2: Convert to fraction form
    2,606.70/3,600.28 = 1,901.74/x
  3. Step 3: Cross multiply
    2,606.70x = 3,600.28 × 1,901.74
  4. Step 4: Simplify right side
    2,606.70x = 6,846,796.49
  5. Step 5: Solve for x
    x = 6,846,796.49/2,606.70
  6. Step 6: Final answer
    x = 2,626.61

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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.