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Finding the Fourth Proportional to 3,159.62, 4,361.19 and 1,833.62

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Solution

The fourth proportional to 3,159.62, 4,361.19 and 1,833.62 is: 2,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.62 : 4,361.19 = 1,833.62 : x
  2. Step 2: Convert to fraction form
    3,159.62/4,361.19 = 1,833.62/x
  3. Step 3: Cross multiply
    3,159.62x = 4,361.19 × 1,833.62
  4. Step 4: Simplify right side
    3,159.62x = 7,996,765.21
  5. Step 5: Solve for x
    x = 7,996,765.21/3,159.62
  6. Step 6: Final answer
    x = 2,530.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.