Home / 2,238.48-3,088.08-1,353.96

Finding the Fourth Proportional to 2,238.48, 3,088.08 and 1,353.96

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Solution

The fourth proportional to 2,238.48, 3,088.08 and 1,353.96 is: 1,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.48 : 3,088.08 = 1,353.96 : x
  2. Step 2: Convert to fraction form
    2,238.48/3,088.08 = 1,353.96/x
  3. Step 3: Cross multiply
    2,238.48x = 3,088.08 × 1,353.96
  4. Step 4: Simplify right side
    2,238.48x = 4,181,136.80
  5. Step 5: Solve for x
    x = 4,181,136.80/2,238.48
  6. Step 6: Final answer
    x = 1,867.85

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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.