Home / 2,961.61-4,439.64-1,317.26

Finding the Fourth Proportional to 2,961.61, 4,439.64 and 1,317.26

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Solution

The fourth proportional to 2,961.61, 4,439.64 and 1,317.26 is: 1,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.61 : 4,439.64 = 1,317.26 : x
  2. Step 2: Convert to fraction form
    2,961.61/4,439.64 = 1,317.26/x
  3. Step 3: Cross multiply
    2,961.61x = 4,439.64 × 1,317.26
  4. Step 4: Simplify right side
    2,961.61x = 5,848,160.19
  5. Step 5: Solve for x
    x = 5,848,160.19/2,961.61
  6. Step 6: Final answer
    x = 1,974.66

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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.