Home / 3,340.50-5,005.95-1,876.57

Finding the Fourth Proportional to 3,340.50, 5,005.95 and 1,876.57

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Solution

The fourth proportional to 3,340.50, 5,005.95 and 1,876.57 is: 2,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.50 : 5,005.95 = 1,876.57 : x
  2. Step 2: Convert to fraction form
    3,340.50/5,005.95 = 1,876.57/x
  3. Step 3: Cross multiply
    3,340.50x = 5,005.95 × 1,876.57
  4. Step 4: Simplify right side
    3,340.50x = 9,394,003.08
  5. Step 5: Solve for x
    x = 9,394,003.08/3,340.50
  6. Step 6: Final answer
    x = 2,812.16

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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.