Home / 2,329.81-3,214.94-1,372.57

Finding the Fourth Proportional to 2,329.81, 3,214.94 and 1,372.57

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Solution

The fourth proportional to 2,329.81, 3,214.94 and 1,372.57 is: 1,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.81 : 3,214.94 = 1,372.57 : x
  2. Step 2: Convert to fraction form
    2,329.81/3,214.94 = 1,372.57/x
  3. Step 3: Cross multiply
    2,329.81x = 3,214.94 × 1,372.57
  4. Step 4: Simplify right side
    2,329.81x = 4,412,730.20
  5. Step 5: Solve for x
    x = 4,412,730.20/2,329.81
  6. Step 6: Final answer
    x = 1,894.03

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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.