Home / 2,284.42-3,426.63-1,188.22

Finding the Fourth Proportional to 2,284.42, 3,426.63 and 1,188.22

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Solution

The fourth proportional to 2,284.42, 3,426.63 and 1,188.22 is: 1,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.42 : 3,426.63 = 1,188.22 : x
  2. Step 2: Convert to fraction form
    2,284.42/3,426.63 = 1,188.22/x
  3. Step 3: Cross multiply
    2,284.42x = 3,426.63 × 1,188.22
  4. Step 4: Simplify right side
    2,284.42x = 4,071,590.30
  5. Step 5: Solve for x
    x = 4,071,590.30/2,284.42
  6. Step 6: Final answer
    x = 1,782.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.