Home / 3,266.82-4,509.14-2,678.76

Finding the Fourth Proportional to 3,266.82, 4,509.14 and 2,678.76

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Solution

The fourth proportional to 3,266.82, 4,509.14 and 2,678.76 is: 3,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.82 : 4,509.14 = 2,678.76 : x
  2. Step 2: Convert to fraction form
    3,266.82/4,509.14 = 2,678.76/x
  3. Step 3: Cross multiply
    3,266.82x = 4,509.14 × 2,678.76
  4. Step 4: Simplify right side
    3,266.82x = 12,078,890.47
  5. Step 5: Solve for x
    x = 12,078,890.47/3,266.82
  6. Step 6: Final answer
    x = 3,697.45

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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.