Home / 2,631.14-3,630.97-1,436.12

Finding the Fourth Proportional to 2,631.14, 3,630.97 and 1,436.12

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Solution

The fourth proportional to 2,631.14, 3,630.97 and 1,436.12 is: 1,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.14 : 3,630.97 = 1,436.12 : x
  2. Step 2: Convert to fraction form
    2,631.14/3,630.97 = 1,436.12/x
  3. Step 3: Cross multiply
    2,631.14x = 3,630.97 × 1,436.12
  4. Step 4: Simplify right side
    2,631.14x = 5,214,508.64
  5. Step 5: Solve for x
    x = 5,214,508.64/2,631.14
  6. Step 6: Final answer
    x = 1,981.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.