Home / 3,135.38-4,705.47-1,493.10

Finding the Fourth Proportional to 3,135.38, 4,705.47 and 1,493.10

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Solution

The fourth proportional to 3,135.38, 4,705.47 and 1,493.10 is: 2,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.38 : 4,705.47 = 1,493.10 : x
  2. Step 2: Convert to fraction form
    3,135.38/4,705.47 = 1,493.10/x
  3. Step 3: Cross multiply
    3,135.38x = 4,705.47 × 1,493.10
  4. Step 4: Simplify right side
    3,135.38x = 7,025,737.26
  5. Step 5: Solve for x
    x = 7,025,737.26/3,135.38
  6. Step 6: Final answer
    x = 2,240.80

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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.