Home / 2,236.65-3,352.55-1,139.51

Finding the Fourth Proportional to 2,236.65, 3,352.55 and 1,139.51

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Solution

The fourth proportional to 2,236.65, 3,352.55 and 1,139.51 is: 1,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.65 : 3,352.55 = 1,139.51 : x
  2. Step 2: Convert to fraction form
    2,236.65/3,352.55 = 1,139.51/x
  3. Step 3: Cross multiply
    2,236.65x = 3,352.55 × 1,139.51
  4. Step 4: Simplify right side
    2,236.65x = 3,820,241.79
  5. Step 5: Solve for x
    x = 3,820,241.79/2,236.65
  6. Step 6: Final answer
    x = 1,708.02

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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.