Home / 3,639.87-5,460.75-1,043.01

Finding the Fourth Proportional to 3,639.87, 5,460.75 and 1,043.01

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Solution

The fourth proportional to 3,639.87, 5,460.75 and 1,043.01 is: 1,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.87 : 5,460.75 = 1,043.01 : x
  2. Step 2: Convert to fraction form
    3,639.87/5,460.75 = 1,043.01/x
  3. Step 3: Cross multiply
    3,639.87x = 5,460.75 × 1,043.01
  4. Step 4: Simplify right side
    3,639.87x = 5,695,616.86
  5. Step 5: Solve for x
    x = 5,695,616.86/3,639.87
  6. Step 6: Final answer
    x = 1,564.79

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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.