Home / 3,429.07-4,731.96-2,102.56

Finding the Fourth Proportional to 3,429.07, 4,731.96 and 2,102.56

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Solution

The fourth proportional to 3,429.07, 4,731.96 and 2,102.56 is: 2,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.07 : 4,731.96 = 2,102.56 : x
  2. Step 2: Convert to fraction form
    3,429.07/4,731.96 = 2,102.56/x
  3. Step 3: Cross multiply
    3,429.07x = 4,731.96 × 2,102.56
  4. Step 4: Simplify right side
    3,429.07x = 9,949,229.82
  5. Step 5: Solve for x
    x = 9,949,229.82/3,429.07
  6. Step 6: Final answer
    x = 2,901.44

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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.