Home / 3,784.19-5,678.80-1,446.15

Finding the Fourth Proportional to 3,784.19, 5,678.80 and 1,446.15

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Solution

The fourth proportional to 3,784.19, 5,678.80 and 1,446.15 is: 2,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.19 : 5,678.80 = 1,446.15 : x
  2. Step 2: Convert to fraction form
    3,784.19/5,678.80 = 1,446.15/x
  3. Step 3: Cross multiply
    3,784.19x = 5,678.80 × 1,446.15
  4. Step 4: Simplify right side
    3,784.19x = 8,212,412.27
  5. Step 5: Solve for x
    x = 8,212,412.27/3,784.19
  6. Step 6: Final answer
    x = 2,170.19

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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.