Home / 1,454.10-2,181.18-808.94

Finding the Fourth Proportional to 1,454.10, 2,181.18 and 808.94

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Solution

The fourth proportional to 1,454.10, 2,181.18 and 808.94 is: 1,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.10 : 2,181.18 = 808.94 : x
  2. Step 2: Convert to fraction form
    1,454.10/2,181.18 = 808.94/x
  3. Step 3: Cross multiply
    1,454.10x = 2,181.18 × 808.94
  4. Step 4: Simplify right side
    1,454.10x = 1,764,435.42
  5. Step 5: Solve for x
    x = 1,764,435.42/1,454.10
  6. Step 6: Final answer
    x = 1,213.42

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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.