Home / 3,541.47-5,311.99-1,200.70

Finding the Fourth Proportional to 3,541.47, 5,311.99 and 1,200.70

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Solution

The fourth proportional to 3,541.47, 5,311.99 and 1,200.70 is: 1,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.47 : 5,311.99 = 1,200.70 : x
  2. Step 2: Convert to fraction form
    3,541.47/5,311.99 = 1,200.70/x
  3. Step 3: Cross multiply
    3,541.47x = 5,311.99 × 1,200.70
  4. Step 4: Simplify right side
    3,541.47x = 6,378,106.39
  5. Step 5: Solve for x
    x = 6,378,106.39/3,541.47
  6. Step 6: Final answer
    x = 1,800.98

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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.