Home / 3,616.34-5,426.70-1,425.02

Finding the Fourth Proportional to 3,616.34, 5,426.70 and 1,425.02

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Solution

The fourth proportional to 3,616.34, 5,426.70 and 1,425.02 is: 2,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.34 : 5,426.70 = 1,425.02 : x
  2. Step 2: Convert to fraction form
    3,616.34/5,426.70 = 1,425.02/x
  3. Step 3: Cross multiply
    3,616.34x = 5,426.70 × 1,425.02
  4. Step 4: Simplify right side
    3,616.34x = 7,733,156.03
  5. Step 5: Solve for x
    x = 7,733,156.03/3,616.34
  6. Step 6: Final answer
    x = 2,138.39

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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.