Home / 3,321.02-4,581.81-2,202.50

Finding the Fourth Proportional to 3,321.02, 4,581.81 and 2,202.50

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Solution

The fourth proportional to 3,321.02, 4,581.81 and 2,202.50 is: 3,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.02 : 4,581.81 = 2,202.50 : x
  2. Step 2: Convert to fraction form
    3,321.02/4,581.81 = 2,202.50/x
  3. Step 3: Cross multiply
    3,321.02x = 4,581.81 × 2,202.50
  4. Step 4: Simplify right side
    3,321.02x = 10,091,436.53
  5. Step 5: Solve for x
    x = 10,091,436.53/3,321.02
  6. Step 6: Final answer
    x = 3,038.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.