Home / 3,311.71-4,569.90-1,895.43

Finding the Fourth Proportional to 3,311.71, 4,569.90 and 1,895.43

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Solution

The fourth proportional to 3,311.71, 4,569.90 and 1,895.43 is: 2,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.71 : 4,569.90 = 1,895.43 : x
  2. Step 2: Convert to fraction form
    3,311.71/4,569.90 = 1,895.43/x
  3. Step 3: Cross multiply
    3,311.71x = 4,569.90 × 1,895.43
  4. Step 4: Simplify right side
    3,311.71x = 8,661,925.56
  5. Step 5: Solve for x
    x = 8,661,925.56/3,311.71
  6. Step 6: Final answer
    x = 2,615.54

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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.