Home / 3,901.71-5,855.85-1,563.36

Finding the Fourth Proportional to 3,901.71, 5,855.85 and 1,563.36

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Solution

The fourth proportional to 3,901.71, 5,855.85 and 1,563.36 is: 2,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.71 : 5,855.85 = 1,563.36 : x
  2. Step 2: Convert to fraction form
    3,901.71/5,855.85 = 1,563.36/x
  3. Step 3: Cross multiply
    3,901.71x = 5,855.85 × 1,563.36
  4. Step 4: Simplify right side
    3,901.71x = 9,154,801.66
  5. Step 5: Solve for x
    x = 9,154,801.66/3,901.71
  6. Step 6: Final answer
    x = 2,346.36

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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.