Home / 3,981.04-5,971.65-1,059.64

Finding the Fourth Proportional to 3,981.04, 5,971.65 and 1,059.64

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Solution

The fourth proportional to 3,981.04, 5,971.65 and 1,059.64 is: 1,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.04 : 5,971.65 = 1,059.64 : x
  2. Step 2: Convert to fraction form
    3,981.04/5,971.65 = 1,059.64/x
  3. Step 3: Cross multiply
    3,981.04x = 5,971.65 × 1,059.64
  4. Step 4: Simplify right side
    3,981.04x = 6,327,799.21
  5. Step 5: Solve for x
    x = 6,327,799.21/3,981.04
  6. Step 6: Final answer
    x = 1,589.48

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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.