Home / 3,433.78-4,737.45-3,428.65

Finding the Fourth Proportional to 3,433.78, 4,737.45 and 3,428.65

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Solution

The fourth proportional to 3,433.78, 4,737.45 and 3,428.65 is: 4,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.78 : 4,737.45 = 3,428.65 : x
  2. Step 2: Convert to fraction form
    3,433.78/4,737.45 = 3,428.65/x
  3. Step 3: Cross multiply
    3,433.78x = 4,737.45 × 3,428.65
  4. Step 4: Simplify right side
    3,433.78x = 16,243,057.94
  5. Step 5: Solve for x
    x = 16,243,057.94/3,433.78
  6. Step 6: Final answer
    x = 4,730.37

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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.