Home / 3,616.32-5,425.79-1,423.83

Finding the Fourth Proportional to 3,616.32, 5,425.79 and 1,423.83

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Solution

The fourth proportional to 3,616.32, 5,425.79 and 1,423.83 is: 2,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.32 : 5,425.79 = 1,423.83 : x
  2. Step 2: Convert to fraction form
    3,616.32/5,425.79 = 1,423.83/x
  3. Step 3: Cross multiply
    3,616.32x = 5,425.79 × 1,423.83
  4. Step 4: Simplify right side
    3,616.32x = 7,725,395.46
  5. Step 5: Solve for x
    x = 7,725,395.46/3,616.32
  6. Step 6: Final answer
    x = 2,136.26

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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.