Home / 3,450.18-4,732.59-3,420.53

Finding the Fourth Proportional to 3,450.18, 4,732.59 and 3,420.53

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Solution

The fourth proportional to 3,450.18, 4,732.59 and 3,420.53 is: 4,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.18 : 4,732.59 = 3,420.53 : x
  2. Step 2: Convert to fraction form
    3,450.18/4,732.59 = 3,420.53/x
  3. Step 3: Cross multiply
    3,450.18x = 4,732.59 × 3,420.53
  4. Step 4: Simplify right side
    3,450.18x = 16,187,942.41
  5. Step 5: Solve for x
    x = 16,187,942.41/3,450.18
  6. Step 6: Final answer
    x = 4,691.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.