Home / 2,379.53-3,282.95-1,383.99

Finding the Fourth Proportional to 2,379.53, 3,282.95 and 1,383.99

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Solution

The fourth proportional to 2,379.53, 3,282.95 and 1,383.99 is: 1,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.53 : 3,282.95 = 1,383.99 : x
  2. Step 2: Convert to fraction form
    2,379.53/3,282.95 = 1,383.99/x
  3. Step 3: Cross multiply
    2,379.53x = 3,282.95 × 1,383.99
  4. Step 4: Simplify right side
    2,379.53x = 4,543,569.97
  5. Step 5: Solve for x
    x = 4,543,569.97/2,379.53
  6. Step 6: Final answer
    x = 1,909.44

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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.