Home / 3,953.30-5,927.07-2,102.90

Finding the Fourth Proportional to 3,953.30, 5,927.07 and 2,102.90

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Solution

The fourth proportional to 3,953.30, 5,927.07 and 2,102.90 is: 3,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.30 : 5,927.07 = 2,102.90 : x
  2. Step 2: Convert to fraction form
    3,953.30/5,927.07 = 2,102.90/x
  3. Step 3: Cross multiply
    3,953.30x = 5,927.07 × 2,102.90
  4. Step 4: Simplify right side
    3,953.30x = 12,464,035.50
  5. Step 5: Solve for x
    x = 12,464,035.50/3,953.30
  6. Step 6: Final answer
    x = 3,152.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.