Home / 1,861.53-2,795.54-1,372.83

Finding the Fourth Proportional to 1,861.53, 2,795.54 and 1,372.83

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Solution

The fourth proportional to 1,861.53, 2,795.54 and 1,372.83 is: 2,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.53 : 2,795.54 = 1,372.83 : x
  2. Step 2: Convert to fraction form
    1,861.53/2,795.54 = 1,372.83/x
  3. Step 3: Cross multiply
    1,861.53x = 2,795.54 × 1,372.83
  4. Step 4: Simplify right side
    1,861.53x = 3,837,794.31
  5. Step 5: Solve for x
    x = 3,837,794.31/1,861.53
  6. Step 6: Final answer
    x = 2,061.63

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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.