Home / 2,611.66-3,917.40-1,051.18

Finding the Fourth Proportional to 2,611.66, 3,917.40 and 1,051.18

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Solution

The fourth proportional to 2,611.66, 3,917.40 and 1,051.18 is: 1,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.66 : 3,917.40 = 1,051.18 : x
  2. Step 2: Convert to fraction form
    2,611.66/3,917.40 = 1,051.18/x
  3. Step 3: Cross multiply
    2,611.66x = 3,917.40 × 1,051.18
  4. Step 4: Simplify right side
    2,611.66x = 4,117,892.53
  5. Step 5: Solve for x
    x = 4,117,892.53/2,611.66
  6. Step 6: Final answer
    x = 1,576.73

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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.