Home / 3,159.60-4,361.21-1,833.83

Finding the Fourth Proportional to 3,159.60, 4,361.21 and 1,833.83

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Solution

The fourth proportional to 3,159.60, 4,361.21 and 1,833.83 is: 2,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.60 : 4,361.21 = 1,833.83 : x
  2. Step 2: Convert to fraction form
    3,159.60/4,361.21 = 1,833.83/x
  3. Step 3: Cross multiply
    3,159.60x = 4,361.21 × 1,833.83
  4. Step 4: Simplify right side
    3,159.60x = 7,997,717.73
  5. Step 5: Solve for x
    x = 7,997,717.73/3,159.60
  6. Step 6: Final answer
    x = 2,531.24

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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.