Home / 3,643.53-5,027.36-2,151.92

Finding the Fourth Proportional to 3,643.53, 5,027.36 and 2,151.92

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Solution

The fourth proportional to 3,643.53, 5,027.36 and 2,151.92 is: 2,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.53 : 5,027.36 = 2,151.92 : x
  2. Step 2: Convert to fraction form
    3,643.53/5,027.36 = 2,151.92/x
  3. Step 3: Cross multiply
    3,643.53x = 5,027.36 × 2,151.92
  4. Step 4: Simplify right side
    3,643.53x = 10,818,440.63
  5. Step 5: Solve for x
    x = 10,818,440.63/3,643.53
  6. Step 6: Final answer
    x = 2,969.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.