Home / 3,784.34-5,223.05-2,190.77

Finding the Fourth Proportional to 3,784.34, 5,223.05 and 2,190.77

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Solution

The fourth proportional to 3,784.34, 5,223.05 and 2,190.77 is: 3,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.34 : 5,223.05 = 2,190.77 : x
  2. Step 2: Convert to fraction form
    3,784.34/5,223.05 = 2,190.77/x
  3. Step 3: Cross multiply
    3,784.34x = 5,223.05 × 2,190.77
  4. Step 4: Simplify right side
    3,784.34x = 11,442,501.25
  5. Step 5: Solve for x
    x = 11,442,501.25/3,784.34
  6. Step 6: Final answer
    x = 3,023.65

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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.