Home / 2,911.98-4,368.66-1,268.82

Finding the Fourth Proportional to 2,911.98, 4,368.66 and 1,268.82

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Solution

The fourth proportional to 2,911.98, 4,368.66 and 1,268.82 is: 1,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.98 : 4,368.66 = 1,268.82 : x
  2. Step 2: Convert to fraction form
    2,911.98/4,368.66 = 1,268.82/x
  3. Step 3: Cross multiply
    2,911.98x = 4,368.66 × 1,268.82
  4. Step 4: Simplify right side
    2,911.98x = 5,543,043.18
  5. Step 5: Solve for x
    x = 5,543,043.18/2,911.98
  6. Step 6: Final answer
    x = 1,903.53

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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.