Home / 2,631.01-3,632.11-1,636.61

Finding the Fourth Proportional to 2,631.01, 3,632.11 and 1,636.61

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Solution

The fourth proportional to 2,631.01, 3,632.11 and 1,636.61 is: 2,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.01 : 3,632.11 = 1,636.61 : x
  2. Step 2: Convert to fraction form
    2,631.01/3,632.11 = 1,636.61/x
  3. Step 3: Cross multiply
    2,631.01x = 3,632.11 × 1,636.61
  4. Step 4: Simplify right side
    2,631.01x = 5,944,347.55
  5. Step 5: Solve for x
    x = 5,944,347.55/2,631.01
  6. Step 6: Final answer
    x = 2,259.34

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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.