Home / 3,214.75-4,436.72-1,817.59

Finding the Fourth Proportional to 3,214.75, 4,436.72 and 1,817.59

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Solution

The fourth proportional to 3,214.75, 4,436.72 and 1,817.59 is: 2,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.75 : 4,436.72 = 1,817.59 : x
  2. Step 2: Convert to fraction form
    3,214.75/4,436.72 = 1,817.59/x
  3. Step 3: Cross multiply
    3,214.75x = 4,436.72 × 1,817.59
  4. Step 4: Simplify right side
    3,214.75x = 8,064,137.90
  5. Step 5: Solve for x
    x = 8,064,137.90/3,214.75
  6. Step 6: Final answer
    x = 2,508.48

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1.5x scale

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.