Home / 3,603.28-5,405.18-1,263.02

Finding the Fourth Proportional to 3,603.28, 5,405.18 and 1,263.02

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Solution

The fourth proportional to 3,603.28, 5,405.18 and 1,263.02 is: 1,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.28 : 5,405.18 = 1,263.02 : x
  2. Step 2: Convert to fraction form
    3,603.28/5,405.18 = 1,263.02/x
  3. Step 3: Cross multiply
    3,603.28x = 5,405.18 × 1,263.02
  4. Step 4: Simplify right side
    3,603.28x = 6,826,850.44
  5. Step 5: Solve for x
    x = 6,826,850.44/3,603.28
  6. Step 6: Final answer
    x = 1,894.62

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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.