Home / 3,630.32-5,444.72-1,165.36

Finding the Fourth Proportional to 3,630.32, 5,444.72 and 1,165.36

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Solution

The fourth proportional to 3,630.32, 5,444.72 and 1,165.36 is: 1,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.32 : 5,444.72 = 1,165.36 : x
  2. Step 2: Convert to fraction form
    3,630.32/5,444.72 = 1,165.36/x
  3. Step 3: Cross multiply
    3,630.32x = 5,444.72 × 1,165.36
  4. Step 4: Simplify right side
    3,630.32x = 6,345,058.90
  5. Step 5: Solve for x
    x = 6,345,058.90/3,630.32
  6. Step 6: Final answer
    x = 1,747.80

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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.