Home / 2,631.74-3,945.38-1,244.30

Finding the Fourth Proportional to 2,631.74, 3,945.38 and 1,244.30

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Solution

The fourth proportional to 2,631.74, 3,945.38 and 1,244.30 is: 1,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.74 : 3,945.38 = 1,244.30 : x
  2. Step 2: Convert to fraction form
    2,631.74/3,945.38 = 1,244.30/x
  3. Step 3: Cross multiply
    2,631.74x = 3,945.38 × 1,244.30
  4. Step 4: Simplify right side
    2,631.74x = 4,909,210.39
  5. Step 5: Solve for x
    x = 4,909,210.39/2,631.74
  6. Step 6: Final answer
    x = 1,865.39

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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.