Home / 3,886.26-5,364.21-2,644.98

Finding the Fourth Proportional to 3,886.26, 5,364.21 and 2,644.98

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Solution

The fourth proportional to 3,886.26, 5,364.21 and 2,644.98 is: 3,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.26 : 5,364.21 = 2,644.98 : x
  2. Step 2: Convert to fraction form
    3,886.26/5,364.21 = 2,644.98/x
  3. Step 3: Cross multiply
    3,886.26x = 5,364.21 × 2,644.98
  4. Step 4: Simplify right side
    3,886.26x = 14,188,228.17
  5. Step 5: Solve for x
    x = 14,188,228.17/3,886.26
  6. Step 6: Final answer
    x = 3,650.87

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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.