Home / 3,789.13-5,228.93-2,110.51

Finding the Fourth Proportional to 3,789.13, 5,228.93 and 2,110.51

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Solution

The fourth proportional to 3,789.13, 5,228.93 and 2,110.51 is: 2,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.13 : 5,228.93 = 2,110.51 : x
  2. Step 2: Convert to fraction form
    3,789.13/5,228.93 = 2,110.51/x
  3. Step 3: Cross multiply
    3,789.13x = 5,228.93 × 2,110.51
  4. Step 4: Simplify right side
    3,789.13x = 11,035,701.26
  5. Step 5: Solve for x
    x = 11,035,701.26/3,789.13
  6. Step 6: Final answer
    x = 2,912.47

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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.