Home / 3,614.76-5,429.43-2,156.76

Finding the Fourth Proportional to 3,614.76, 5,429.43 and 2,156.76

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Solution

The fourth proportional to 3,614.76, 5,429.43 and 2,156.76 is: 3,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.76 : 5,429.43 = 2,156.76 : x
  2. Step 2: Convert to fraction form
    3,614.76/5,429.43 = 2,156.76/x
  3. Step 3: Cross multiply
    3,614.76x = 5,429.43 × 2,156.76
  4. Step 4: Simplify right side
    3,614.76x = 11,709,977.45
  5. Step 5: Solve for x
    x = 11,709,977.45/3,614.76
  6. Step 6: Final answer
    x = 3,239.49

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1.5x scale

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.