Home / 1,354.72-2,032.04-1,171.58

Finding the Fourth Proportional to 1,354.72, 2,032.04 and 1,171.58

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Solution

The fourth proportional to 1,354.72, 2,032.04 and 1,171.58 is: 1,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.72 : 2,032.04 = 1,171.58 : x
  2. Step 2: Convert to fraction form
    1,354.72/2,032.04 = 1,171.58/x
  3. Step 3: Cross multiply
    1,354.72x = 2,032.04 × 1,171.58
  4. Step 4: Simplify right side
    1,354.72x = 2,380,697.42
  5. Step 5: Solve for x
    x = 2,380,697.42/1,354.72
  6. Step 6: Final answer
    x = 1,757.34

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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.