Home / 3,382.61-4,667.99-1,890.53

Finding the Fourth Proportional to 3,382.61, 4,667.99 and 1,890.53

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Solution

The fourth proportional to 3,382.61, 4,667.99 and 1,890.53 is: 2,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.61 : 4,667.99 = 1,890.53 : x
  2. Step 2: Convert to fraction form
    3,382.61/4,667.99 = 1,890.53/x
  3. Step 3: Cross multiply
    3,382.61x = 4,667.99 × 1,890.53
  4. Step 4: Simplify right side
    3,382.61x = 8,824,970.48
  5. Step 5: Solve for x
    x = 8,824,970.48/3,382.61
  6. Step 6: Final answer
    x = 2,608.92

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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.