Home / 3,435.45-4,737.36-2,939.73

Finding the Fourth Proportional to 3,435.45, 4,737.36 and 2,939.73

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Solution

The fourth proportional to 3,435.45, 4,737.36 and 2,939.73 is: 4,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.45 : 4,737.36 = 2,939.73 : x
  2. Step 2: Convert to fraction form
    3,435.45/4,737.36 = 2,939.73/x
  3. Step 3: Cross multiply
    3,435.45x = 4,737.36 × 2,939.73
  4. Step 4: Simplify right side
    3,435.45x = 13,926,559.31
  5. Step 5: Solve for x
    x = 13,926,559.31/3,435.45
  6. Step 6: Final answer
    x = 4,053.78

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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.