Home / 1,322.18-1,825.49-1,181.84

Finding the Fourth Proportional to 1,322.18, 1,825.49 and 1,181.84

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Solution

The fourth proportional to 1,322.18, 1,825.49 and 1,181.84 is: 1,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.18 : 1,825.49 = 1,181.84 : x
  2. Step 2: Convert to fraction form
    1,322.18/1,825.49 = 1,181.84/x
  3. Step 3: Cross multiply
    1,322.18x = 1,825.49 × 1,181.84
  4. Step 4: Simplify right side
    1,322.18x = 2,157,444.62
  5. Step 5: Solve for x
    x = 2,157,444.62/1,322.18
  6. Step 6: Final answer
    x = 1,631.74

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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.