Home / 3,783.74-5,663.63-2,135.39

Finding the Fourth Proportional to 3,783.74, 5,663.63 and 2,135.39

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Solution

The fourth proportional to 3,783.74, 5,663.63 and 2,135.39 is: 3,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.74 : 5,663.63 = 2,135.39 : x
  2. Step 2: Convert to fraction form
    3,783.74/5,663.63 = 2,135.39/x
  3. Step 3: Cross multiply
    3,783.74x = 5,663.63 × 2,135.39
  4. Step 4: Simplify right side
    3,783.74x = 12,094,035.89
  5. Step 5: Solve for x
    x = 12,094,035.89/3,783.74
  6. Step 6: Final answer
    x = 3,196.32

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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.