Home / 3,623.20-5,432.06-1,866.31

Finding the Fourth Proportional to 3,623.20, 5,432.06 and 1,866.31

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Solution

The fourth proportional to 3,623.20, 5,432.06 and 1,866.31 is: 2,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.20 : 5,432.06 = 1,866.31 : x
  2. Step 2: Convert to fraction form
    3,623.20/5,432.06 = 1,866.31/x
  3. Step 3: Cross multiply
    3,623.20x = 5,432.06 × 1,866.31
  4. Step 4: Simplify right side
    3,623.20x = 10,137,898.98
  5. Step 5: Solve for x
    x = 10,137,898.98/3,623.20
  6. Step 6: Final answer
    x = 2,798.05

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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.