Home / 2,631.68-3,944.80-1,171.52

Finding the Fourth Proportional to 2,631.68, 3,944.80 and 1,171.52

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Solution

The fourth proportional to 2,631.68, 3,944.80 and 1,171.52 is: 1,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.68 : 3,944.80 = 1,171.52 : x
  2. Step 2: Convert to fraction form
    2,631.68/3,944.80 = 1,171.52/x
  3. Step 3: Cross multiply
    2,631.68x = 3,944.80 × 1,171.52
  4. Step 4: Simplify right side
    2,631.68x = 4,621,412.10
  5. Step 5: Solve for x
    x = 4,621,412.10/2,631.68
  6. Step 6: Final answer
    x = 1,756.07

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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.