Home / 3,849.51-5,309.64-2,277.57

Finding the Fourth Proportional to 3,849.51, 5,309.64 and 2,277.57

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Solution

The fourth proportional to 3,849.51, 5,309.64 and 2,277.57 is: 3,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.51 : 5,309.64 = 2,277.57 : x
  2. Step 2: Convert to fraction form
    3,849.51/5,309.64 = 2,277.57/x
  3. Step 3: Cross multiply
    3,849.51x = 5,309.64 × 2,277.57
  4. Step 4: Simplify right side
    3,849.51x = 12,093,076.77
  5. Step 5: Solve for x
    x = 12,093,076.77/3,849.51
  6. Step 6: Final answer
    x = 3,141.46

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1.5x scale

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.