Home / 1,154.19-1,727.75-932.75

Finding the Fourth Proportional to 1,154.19, 1,727.75 and 932.75

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Solution

The fourth proportional to 1,154.19, 1,727.75 and 932.75 is: 1,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.19 : 1,727.75 = 932.75 : x
  2. Step 2: Convert to fraction form
    1,154.19/1,727.75 = 932.75/x
  3. Step 3: Cross multiply
    1,154.19x = 1,727.75 × 932.75
  4. Step 4: Simplify right side
    1,154.19x = 1,611,558.81
  5. Step 5: Solve for x
    x = 1,611,558.81/1,154.19
  6. Step 6: Final answer
    x = 1,396.27

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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.