Home / 3,100.11-4,651.24-1,152.87

Finding the Fourth Proportional to 3,100.11, 4,651.24 and 1,152.87

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Solution

The fourth proportional to 3,100.11, 4,651.24 and 1,152.87 is: 1,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.11 : 4,651.24 = 1,152.87 : x
  2. Step 2: Convert to fraction form
    3,100.11/4,651.24 = 1,152.87/x
  3. Step 3: Cross multiply
    3,100.11x = 4,651.24 × 1,152.87
  4. Step 4: Simplify right side
    3,100.11x = 5,362,275.06
  5. Step 5: Solve for x
    x = 5,362,275.06/3,100.11
  6. Step 6: Final answer
    x = 1,729.70

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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.