Home / 3,643.55-5,027.24-2,072.51

Finding the Fourth Proportional to 3,643.55, 5,027.24 and 2,072.51

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Solution

The fourth proportional to 3,643.55, 5,027.24 and 2,072.51 is: 2,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.55 : 5,027.24 = 2,072.51 : x
  2. Step 2: Convert to fraction form
    3,643.55/5,027.24 = 2,072.51/x
  3. Step 3: Cross multiply
    3,643.55x = 5,027.24 × 2,072.51
  4. Step 4: Simplify right side
    3,643.55x = 10,418,994.81
  5. Step 5: Solve for x
    x = 10,418,994.81/3,643.55
  6. Step 6: Final answer
    x = 2,859.57

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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.