Home / 2,436.36-3,655.32-1,138.72

Finding the Fourth Proportional to 2,436.36, 3,655.32 and 1,138.72

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Solution

The fourth proportional to 2,436.36, 3,655.32 and 1,138.72 is: 1,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.36 : 3,655.32 = 1,138.72 : x
  2. Step 2: Convert to fraction form
    2,436.36/3,655.32 = 1,138.72/x
  3. Step 3: Cross multiply
    2,436.36x = 3,655.32 × 1,138.72
  4. Step 4: Simplify right side
    2,436.36x = 4,162,385.99
  5. Step 5: Solve for x
    x = 4,162,385.99/2,436.36
  6. Step 6: Final answer
    x = 1,708.44

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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.