Home / 2,280.94-3,427.82-1,356.66

Finding the Fourth Proportional to 2,280.94, 3,427.82 and 1,356.66

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Solution

The fourth proportional to 2,280.94, 3,427.82 and 1,356.66 is: 2,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.94 : 3,427.82 = 1,356.66 : x
  2. Step 2: Convert to fraction form
    2,280.94/3,427.82 = 1,356.66/x
  3. Step 3: Cross multiply
    2,280.94x = 3,427.82 × 1,356.66
  4. Step 4: Simplify right side
    2,280.94x = 4,650,379.50
  5. Step 5: Solve for x
    x = 4,650,379.50/2,280.94
  6. Step 6: Final answer
    x = 2,038.80

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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.