Home / 2,632.65-3,948.36-1,171

Finding the Fourth Proportional to 2,632.65, 3,948.36 and 1,171

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Solution

The fourth proportional to 2,632.65, 3,948.36 and 1,171 is: 1,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.65 : 3,948.36 = 1,171 : x
  2. Step 2: Convert to fraction form
    2,632.65/3,948.36 = 1,171/x
  3. Step 3: Cross multiply
    2,632.65x = 3,948.36 × 1,171
  4. Step 4: Simplify right side
    2,632.65x = 4,623,529.56
  5. Step 5: Solve for x
    x = 4,623,529.56/2,632.65
  6. Step 6: Final answer
    x = 1,756.23

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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.