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Finding the Fourth Proportional to 3,954.54, 5,931.38 and 1,032.60

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Solution

The fourth proportional to 3,954.54, 5,931.38 and 1,032.60 is: 1,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.54 : 5,931.38 = 1,032.60 : x
  2. Step 2: Convert to fraction form
    3,954.54/5,931.38 = 1,032.60/x
  3. Step 3: Cross multiply
    3,954.54x = 5,931.38 × 1,032.60
  4. Step 4: Simplify right side
    3,954.54x = 6,124,742.99
  5. Step 5: Solve for x
    x = 6,124,742.99/3,954.54
  6. Step 6: Final answer
    x = 1,548.79

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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.