Home / 2,309.33-3,187.64-1,838.09

Finding the Fourth Proportional to 2,309.33, 3,187.64 and 1,838.09

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Solution

The fourth proportional to 2,309.33, 3,187.64 and 1,838.09 is: 2,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.33 : 3,187.64 = 1,838.09 : x
  2. Step 2: Convert to fraction form
    2,309.33/3,187.64 = 1,838.09/x
  3. Step 3: Cross multiply
    2,309.33x = 3,187.64 × 1,838.09
  4. Step 4: Simplify right side
    2,309.33x = 5,859,169.21
  5. Step 5: Solve for x
    x = 5,859,169.21/2,309.33
  6. Step 6: Final answer
    x = 2,537.17

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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.