Home / 3,925.22-5,415.95-2,247.17

Finding the Fourth Proportional to 3,925.22, 5,415.95 and 2,247.17

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Solution

The fourth proportional to 3,925.22, 5,415.95 and 2,247.17 is: 3,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.22 : 5,415.95 = 2,247.17 : x
  2. Step 2: Convert to fraction form
    3,925.22/5,415.95 = 2,247.17/x
  3. Step 3: Cross multiply
    3,925.22x = 5,415.95 × 2,247.17
  4. Step 4: Simplify right side
    3,925.22x = 12,170,560.36
  5. Step 5: Solve for x
    x = 12,170,560.36/3,925.22
  6. Step 6: Final answer
    x = 3,100.61

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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.