Home / 2,893.28-4,340.60-945.64

Finding the Fourth Proportional to 2,893.28, 4,340.60 and 945.64

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Solution

The fourth proportional to 2,893.28, 4,340.60 and 945.64 is: 1,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.28 : 4,340.60 = 945.64 : x
  2. Step 2: Convert to fraction form
    2,893.28/4,340.60 = 945.64/x
  3. Step 3: Cross multiply
    2,893.28x = 4,340.60 × 945.64
  4. Step 4: Simplify right side
    2,893.28x = 4,104,644.98
  5. Step 5: Solve for x
    x = 4,104,644.98/2,893.28
  6. Step 6: Final answer
    x = 1,418.68

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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.