Home / 2,238.12-3,088.76-1,294.08

Finding the Fourth Proportional to 2,238.12, 3,088.76 and 1,294.08

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Solution

The fourth proportional to 2,238.12, 3,088.76 and 1,294.08 is: 1,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.12 : 3,088.76 = 1,294.08 : x
  2. Step 2: Convert to fraction form
    2,238.12/3,088.76 = 1,294.08/x
  3. Step 3: Cross multiply
    2,238.12x = 3,088.76 × 1,294.08
  4. Step 4: Simplify right side
    2,238.12x = 3,997,102.54
  5. Step 5: Solve for x
    x = 3,997,102.54/2,238.12
  6. Step 6: Final answer
    x = 1,785.92

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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.