Home / 3,563.87-5,345.81-1,098.60

Finding the Fourth Proportional to 3,563.87, 5,345.81 and 1,098.60

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Solution

The fourth proportional to 3,563.87, 5,345.81 and 1,098.60 is: 1,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.87 : 5,345.81 = 1,098.60 : x
  2. Step 2: Convert to fraction form
    3,563.87/5,345.81 = 1,098.60/x
  3. Step 3: Cross multiply
    3,563.87x = 5,345.81 × 1,098.60
  4. Step 4: Simplify right side
    3,563.87x = 5,872,901.37
  5. Step 5: Solve for x
    x = 5,872,901.37/3,563.87
  6. Step 6: Final answer
    x = 1,647.90

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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.