Home / 3,972-5,957.15-1,505.96

Finding the Fourth Proportional to 3,972, 5,957.15 and 1,505.96

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Solution

The fourth proportional to 3,972, 5,957.15 and 1,505.96 is: 2,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972 : 5,957.15 = 1,505.96 : x
  2. Step 2: Convert to fraction form
    3,972/5,957.15 = 1,505.96/x
  3. Step 3: Cross multiply
    3,972x = 5,957.15 × 1,505.96
  4. Step 4: Simplify right side
    3,972x = 8,971,199.83
  5. Step 5: Solve for x
    x = 8,971,199.83/3,972
  6. Step 6: Final answer
    x = 2,258.61

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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.