Home / 3,572.03-5,355.20-1,621.95

Finding the Fourth Proportional to 3,572.03, 5,355.20 and 1,621.95

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Solution

The fourth proportional to 3,572.03, 5,355.20 and 1,621.95 is: 2,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.03 : 5,355.20 = 1,621.95 : x
  2. Step 2: Convert to fraction form
    3,572.03/5,355.20 = 1,621.95/x
  3. Step 3: Cross multiply
    3,572.03x = 5,355.20 × 1,621.95
  4. Step 4: Simplify right side
    3,572.03x = 8,685,858.53
  5. Step 5: Solve for x
    x = 8,685,858.53/3,572.03
  6. Step 6: Final answer
    x = 2,431.63

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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.