Home / 3,069.52-4,604.64-1,121.92

Finding the Fourth Proportional to 3,069.52, 4,604.64 and 1,121.92

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Solution

The fourth proportional to 3,069.52, 4,604.64 and 1,121.92 is: 1,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.52 : 4,604.64 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    3,069.52/4,604.64 = 1,121.92/x
  3. Step 3: Cross multiply
    3,069.52x = 4,604.64 × 1,121.92
  4. Step 4: Simplify right side
    3,069.52x = 5,166,037.71
  5. Step 5: Solve for x
    x = 5,166,037.71/3,069.52
  6. Step 6: Final answer
    x = 1,683.01

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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.