Home / 3,755.52-5,633.50-1,415.28

Finding the Fourth Proportional to 3,755.52, 5,633.50 and 1,415.28

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Solution

The fourth proportional to 3,755.52, 5,633.50 and 1,415.28 is: 2,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.52 : 5,633.50 = 1,415.28 : x
  2. Step 2: Convert to fraction form
    3,755.52/5,633.50 = 1,415.28/x
  3. Step 3: Cross multiply
    3,755.52x = 5,633.50 × 1,415.28
  4. Step 4: Simplify right side
    3,755.52x = 7,972,979.88
  5. Step 5: Solve for x
    x = 7,972,979.88/3,755.52
  6. Step 6: Final answer
    x = 2,123.00

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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.