Home / 2,769.30-3,826.49-2,214.35

Finding the Fourth Proportional to 2,769.30, 3,826.49 and 2,214.35

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Solution

The fourth proportional to 2,769.30, 3,826.49 and 2,214.35 is: 3,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.30 : 3,826.49 = 2,214.35 : x
  2. Step 2: Convert to fraction form
    2,769.30/3,826.49 = 2,214.35/x
  3. Step 3: Cross multiply
    2,769.30x = 3,826.49 × 2,214.35
  4. Step 4: Simplify right side
    2,769.30x = 8,473,188.13
  5. Step 5: Solve for x
    x = 8,473,188.13/2,769.30
  6. Step 6: Final answer
    x = 3,059.69

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1.5x scale

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.