Home / 3,750.46-5,625.72-1,285.30

Finding the Fourth Proportional to 3,750.46, 5,625.72 and 1,285.30

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Solution

The fourth proportional to 3,750.46, 5,625.72 and 1,285.30 is: 1,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.46 : 5,625.72 = 1,285.30 : x
  2. Step 2: Convert to fraction form
    3,750.46/5,625.72 = 1,285.30/x
  3. Step 3: Cross multiply
    3,750.46x = 5,625.72 × 1,285.30
  4. Step 4: Simplify right side
    3,750.46x = 7,230,737.92
  5. Step 5: Solve for x
    x = 7,230,737.92/3,750.46
  6. Step 6: Final answer
    x = 1,927.96

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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.