Home / 3,755.46-5,632.99-1,290.02

Finding the Fourth Proportional to 3,755.46, 5,632.99 and 1,290.02

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Solution

The fourth proportional to 3,755.46, 5,632.99 and 1,290.02 is: 1,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.46 : 5,632.99 = 1,290.02 : x
  2. Step 2: Convert to fraction form
    3,755.46/5,632.99 = 1,290.02/x
  3. Step 3: Cross multiply
    3,755.46x = 5,632.99 × 1,290.02
  4. Step 4: Simplify right side
    3,755.46x = 7,266,663.31
  5. Step 5: Solve for x
    x = 7,266,663.31/3,755.46
  6. Step 6: Final answer
    x = 1,934.96

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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.