Home / 2,631.56-3,631.77-1,452.86

Finding the Fourth Proportional to 2,631.56, 3,631.77 and 1,452.86

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Solution

The fourth proportional to 2,631.56, 3,631.77 and 1,452.86 is: 2,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.56 : 3,631.77 = 1,452.86 : x
  2. Step 2: Convert to fraction form
    2,631.56/3,631.77 = 1,452.86/x
  3. Step 3: Cross multiply
    2,631.56x = 3,631.77 × 1,452.86
  4. Step 4: Simplify right side
    2,631.56x = 5,276,453.36
  5. Step 5: Solve for x
    x = 5,276,453.36/2,631.56
  6. Step 6: Final answer
    x = 2,005.07

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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.