Home / 2,893.36-4,338.76-1,431.92

Finding the Fourth Proportional to 2,893.36, 4,338.76 and 1,431.92

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Solution

The fourth proportional to 2,893.36, 4,338.76 and 1,431.92 is: 2,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.36 : 4,338.76 = 1,431.92 : x
  2. Step 2: Convert to fraction form
    2,893.36/4,338.76 = 1,431.92/x
  3. Step 3: Cross multiply
    2,893.36x = 4,338.76 × 1,431.92
  4. Step 4: Simplify right side
    2,893.36x = 6,212,757.22
  5. Step 5: Solve for x
    x = 6,212,757.22/2,893.36
  6. Step 6: Final answer
    x = 2,147.25

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1.5x scale

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.