Home / 2,631.70-3,632.25-1,584.46

Finding the Fourth Proportional to 2,631.70, 3,632.25 and 1,584.46

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Solution

The fourth proportional to 2,631.70, 3,632.25 and 1,584.46 is: 2,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.70 : 3,632.25 = 1,584.46 : x
  2. Step 2: Convert to fraction form
    2,631.70/3,632.25 = 1,584.46/x
  3. Step 3: Cross multiply
    2,631.70x = 3,632.25 × 1,584.46
  4. Step 4: Simplify right side
    2,631.70x = 5,755,154.84
  5. Step 5: Solve for x
    x = 5,755,154.84/2,631.70
  6. Step 6: Final answer
    x = 2,186.86

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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.