Home / 3,755.12-5,633.40-1,289.84

Finding the Fourth Proportional to 3,755.12, 5,633.40 and 1,289.84

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Solution

The fourth proportional to 3,755.12, 5,633.40 and 1,289.84 is: 1,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.12 : 5,633.40 = 1,289.84 : x
  2. Step 2: Convert to fraction form
    3,755.12/5,633.40 = 1,289.84/x
  3. Step 3: Cross multiply
    3,755.12x = 5,633.40 × 1,289.84
  4. Step 4: Simplify right side
    3,755.12x = 7,266,184.66
  5. Step 5: Solve for x
    x = 7,266,184.66/3,755.12
  6. Step 6: Final answer
    x = 1,935.01

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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.