Home / 1,727.72-2,591.80-632.60

Finding the Fourth Proportional to 1,727.72, 2,591.80 and 632.60

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Solution

The fourth proportional to 1,727.72, 2,591.80 and 632.60 is: 948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.72 : 2,591.80 = 632.60 : x
  2. Step 2: Convert to fraction form
    1,727.72/2,591.80 = 632.60/x
  3. Step 3: Cross multiply
    1,727.72x = 2,591.80 × 632.60
  4. Step 4: Simplify right side
    1,727.72x = 1,639,572.68
  5. Step 5: Solve for x
    x = 1,639,572.68/1,727.72
  6. Step 6: Final answer
    x = 948.98

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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.