Home / 3,642.81-5,465.01-1,143.96

Finding the Fourth Proportional to 3,642.81, 5,465.01 and 1,143.96

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Solution

The fourth proportional to 3,642.81, 5,465.01 and 1,143.96 is: 1,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.81 : 5,465.01 = 1,143.96 : x
  2. Step 2: Convert to fraction form
    3,642.81/5,465.01 = 1,143.96/x
  3. Step 3: Cross multiply
    3,642.81x = 5,465.01 × 1,143.96
  4. Step 4: Simplify right side
    3,642.81x = 6,251,752.84
  5. Step 5: Solve for x
    x = 6,251,752.84/3,642.81
  6. Step 6: Final answer
    x = 1,716.19

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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.