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Finding the Fourth Proportional to 3,971.73, 5,957.88 and 1,050

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Solution

The fourth proportional to 3,971.73, 5,957.88 and 1,050 is: 1,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.73 : 5,957.88 = 1,050 : x
  2. Step 2: Convert to fraction form
    3,971.73/5,957.88 = 1,050/x
  3. Step 3: Cross multiply
    3,971.73x = 5,957.88 × 1,050
  4. Step 4: Simplify right side
    3,971.73x = 6,255,774
  5. Step 5: Solve for x
    x = 6,255,774/3,971.73
  6. Step 6: Final answer
    x = 1,575.08

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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.