Home / 3,214.96-4,436.72-1,817.76

Finding the Fourth Proportional to 3,214.96, 4,436.72 and 1,817.76

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Solution

The fourth proportional to 3,214.96, 4,436.72 and 1,817.76 is: 2,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.96 : 4,436.72 = 1,817.76 : x
  2. Step 2: Convert to fraction form
    3,214.96/4,436.72 = 1,817.76/x
  3. Step 3: Cross multiply
    3,214.96x = 4,436.72 × 1,817.76
  4. Step 4: Simplify right side
    3,214.96x = 8,064,892.15
  5. Step 5: Solve for x
    x = 8,064,892.15/3,214.96
  6. Step 6: Final answer
    x = 2,508.55

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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.