Home / 3,159.28-4,361.83-2,827.13

Finding the Fourth Proportional to 3,159.28, 4,361.83 and 2,827.13

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Solution

The fourth proportional to 3,159.28, 4,361.83 and 2,827.13 is: 3,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.28 : 4,361.83 = 2,827.13 : x
  2. Step 2: Convert to fraction form
    3,159.28/4,361.83 = 2,827.13/x
  3. Step 3: Cross multiply
    3,159.28x = 4,361.83 × 2,827.13
  4. Step 4: Simplify right side
    3,159.28x = 12,331,431.57
  5. Step 5: Solve for x
    x = 12,331,431.57/3,159.28
  6. Step 6: Final answer
    x = 3,903.25

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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.