Home / 3,159.23-4,361.51-2,190.83

Finding the Fourth Proportional to 3,159.23, 4,361.51 and 2,190.83

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Solution

The fourth proportional to 3,159.23, 4,361.51 and 2,190.83 is: 3,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.23 : 4,361.51 = 2,190.83 : x
  2. Step 2: Convert to fraction form
    3,159.23/4,361.51 = 2,190.83/x
  3. Step 3: Cross multiply
    3,159.23x = 4,361.51 × 2,190.83
  4. Step 4: Simplify right side
    3,159.23x = 9,555,310.62
  5. Step 5: Solve for x
    x = 9,555,310.62/3,159.23
  6. Step 6: Final answer
    x = 3,024.57

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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.