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Finding the Fourth Proportional to 3,660.58, 5,050.58 and 2,126.96

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Solution

The fourth proportional to 3,660.58, 5,050.58 and 2,126.96 is: 2,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.58 : 5,050.58 = 2,126.96 : x
  2. Step 2: Convert to fraction form
    3,660.58/5,050.58 = 2,126.96/x
  3. Step 3: Cross multiply
    3,660.58x = 5,050.58 × 2,126.96
  4. Step 4: Simplify right side
    3,660.58x = 10,742,381.64
  5. Step 5: Solve for x
    x = 10,742,381.64/3,660.58
  6. Step 6: Final answer
    x = 2,934.61

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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.