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Finding the Fourth Proportional to 3,777.79, 5,654.55 and 2,018.39

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Solution

The fourth proportional to 3,777.79, 5,654.55 and 2,018.39 is: 3,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.79 : 5,654.55 = 2,018.39 : x
  2. Step 2: Convert to fraction form
    3,777.79/5,654.55 = 2,018.39/x
  3. Step 3: Cross multiply
    3,777.79x = 5,654.55 × 2,018.39
  4. Step 4: Simplify right side
    3,777.79x = 11,413,087.17
  5. Step 5: Solve for x
    x = 11,413,087.17/3,777.79
  6. Step 6: Final answer
    x = 3,021.10

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1.5x scale

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.