Home / 1,632.21-2,447.10-1,110.90

Finding the Fourth Proportional to 1,632.21, 2,447.10 and 1,110.90

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Solution

The fourth proportional to 1,632.21, 2,447.10 and 1,110.90 is: 1,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.21 : 2,447.10 = 1,110.90 : x
  2. Step 2: Convert to fraction form
    1,632.21/2,447.10 = 1,110.90/x
  3. Step 3: Cross multiply
    1,632.21x = 2,447.10 × 1,110.90
  4. Step 4: Simplify right side
    1,632.21x = 2,718,483.39
  5. Step 5: Solve for x
    x = 2,718,483.39/1,632.21
  6. Step 6: Final answer
    x = 1,665.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.