Home / 2,769.42-3,826.67-2,214.47

Finding the Fourth Proportional to 2,769.42, 3,826.67 and 2,214.47

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Solution

The fourth proportional to 2,769.42, 3,826.67 and 2,214.47 is: 3,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.42 : 3,826.67 = 2,214.47 : x
  2. Step 2: Convert to fraction form
    2,769.42/3,826.67 = 2,214.47/x
  3. Step 3: Cross multiply
    2,769.42x = 3,826.67 × 2,214.47
  4. Step 4: Simplify right side
    2,769.42x = 8,474,045.91
  5. Step 5: Solve for x
    x = 8,474,045.91/2,769.42
  6. Step 6: Final answer
    x = 3,059.86

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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.