Home / 2,769.48-3,818.34-2,266.20

Finding the Fourth Proportional to 2,769.48, 3,818.34 and 2,266.20

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Solution

The fourth proportional to 2,769.48, 3,818.34 and 2,266.20 is: 3,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.48 : 3,818.34 = 2,266.20 : x
  2. Step 2: Convert to fraction form
    2,769.48/3,818.34 = 2,266.20/x
  3. Step 3: Cross multiply
    2,769.48x = 3,818.34 × 2,266.20
  4. Step 4: Simplify right side
    2,769.48x = 8,653,122.11
  5. Step 5: Solve for x
    x = 8,653,122.11/2,769.48
  6. Step 6: Final answer
    x = 3,124.46

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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.