Home / 3,617.63-5,427.18-1,426.44

Finding the Fourth Proportional to 3,617.63, 5,427.18 and 1,426.44

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Solution

The fourth proportional to 3,617.63, 5,427.18 and 1,426.44 is: 2,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.63 : 5,427.18 = 1,426.44 : x
  2. Step 2: Convert to fraction form
    3,617.63/5,427.18 = 1,426.44/x
  3. Step 3: Cross multiply
    3,617.63x = 5,427.18 × 1,426.44
  4. Step 4: Simplify right side
    3,617.63x = 7,741,546.64
  5. Step 5: Solve for x
    x = 7,741,546.64/3,617.63
  6. Step 6: Final answer
    x = 2,139.95

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1.5x scale

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.