Home / 2,436.90-3,653.19-1,138.02

Finding the Fourth Proportional to 2,436.90, 3,653.19 and 1,138.02

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Solution

The fourth proportional to 2,436.90, 3,653.19 and 1,138.02 is: 1,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.90 : 3,653.19 = 1,138.02 : x
  2. Step 2: Convert to fraction form
    2,436.90/3,653.19 = 1,138.02/x
  3. Step 3: Cross multiply
    2,436.90x = 3,653.19 × 1,138.02
  4. Step 4: Simplify right side
    2,436.90x = 4,157,403.28
  5. Step 5: Solve for x
    x = 4,157,403.28/2,436.90
  6. Step 6: Final answer
    x = 1,706.02

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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.