Home / 3,971.10-5,953.20-1,505.28

Finding the Fourth Proportional to 3,971.10, 5,953.20 and 1,505.28

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Solution

The fourth proportional to 3,971.10, 5,953.20 and 1,505.28 is: 2,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.10 : 5,953.20 = 1,505.28 : x
  2. Step 2: Convert to fraction form
    3,971.10/5,953.20 = 1,505.28/x
  3. Step 3: Cross multiply
    3,971.10x = 5,953.20 × 1,505.28
  4. Step 4: Simplify right side
    3,971.10x = 8,961,232.90
  5. Step 5: Solve for x
    x = 8,961,232.90/3,971.10
  6. Step 6: Final answer
    x = 2,256.61

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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.