Home / 3,588.94-5,383.62-1,280.44

Finding the Fourth Proportional to 3,588.94, 5,383.62 and 1,280.44

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Solution

The fourth proportional to 3,588.94, 5,383.62 and 1,280.44 is: 1,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.94 : 5,383.62 = 1,280.44 : x
  2. Step 2: Convert to fraction form
    3,588.94/5,383.62 = 1,280.44/x
  3. Step 3: Cross multiply
    3,588.94x = 5,383.62 × 1,280.44
  4. Step 4: Simplify right side
    3,588.94x = 6,893,402.39
  5. Step 5: Solve for x
    x = 6,893,402.39/3,588.94
  6. Step 6: Final answer
    x = 1,920.73

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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.