Home / 3,132.67-4,318.04-2,124.05

Finding the Fourth Proportional to 3,132.67, 4,318.04 and 2,124.05

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Solution

The fourth proportional to 3,132.67, 4,318.04 and 2,124.05 is: 2,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.67 : 4,318.04 = 2,124.05 : x
  2. Step 2: Convert to fraction form
    3,132.67/4,318.04 = 2,124.05/x
  3. Step 3: Cross multiply
    3,132.67x = 4,318.04 × 2,124.05
  4. Step 4: Simplify right side
    3,132.67x = 9,171,711.27
  5. Step 5: Solve for x
    x = 9,171,711.27/3,132.67
  6. Step 6: Final answer
    x = 2,927.77

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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.