Home / 3,588.32-5,385.36-1,857.44

Finding the Fourth Proportional to 3,588.32, 5,385.36 and 1,857.44

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Solution

The fourth proportional to 3,588.32, 5,385.36 and 1,857.44 is: 2,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.32 : 5,385.36 = 1,857.44 : x
  2. Step 2: Convert to fraction form
    3,588.32/5,385.36 = 1,857.44/x
  3. Step 3: Cross multiply
    3,588.32x = 5,385.36 × 1,857.44
  4. Step 4: Simplify right side
    3,588.32x = 10,002,983.08
  5. Step 5: Solve for x
    x = 10,002,983.08/3,588.32
  6. Step 6: Final answer
    x = 2,787.65

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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.