Home / 3,159.04-4,736.53-1,311.43

Finding the Fourth Proportional to 3,159.04, 4,736.53 and 1,311.43

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Solution

The fourth proportional to 3,159.04, 4,736.53 and 1,311.43 is: 1,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.04 : 4,736.53 = 1,311.43 : x
  2. Step 2: Convert to fraction form
    3,159.04/4,736.53 = 1,311.43/x
  3. Step 3: Cross multiply
    3,159.04x = 4,736.53 × 1,311.43
  4. Step 4: Simplify right side
    3,159.04x = 6,211,627.54
  5. Step 5: Solve for x
    x = 6,211,627.54/3,159.04
  6. Step 6: Final answer
    x = 1,966.30

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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.