Home / 3,771.15-5,654.65-2,018.21

Finding the Fourth Proportional to 3,771.15, 5,654.65 and 2,018.21

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Solution

The fourth proportional to 3,771.15, 5,654.65 and 2,018.21 is: 3,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.15 : 5,654.65 = 2,018.21 : x
  2. Step 2: Convert to fraction form
    3,771.15/5,654.65 = 2,018.21/x
  3. Step 3: Cross multiply
    3,771.15x = 5,654.65 × 2,018.21
  4. Step 4: Simplify right side
    3,771.15x = 11,412,271.18
  5. Step 5: Solve for x
    x = 11,412,271.18/3,771.15
  6. Step 6: Final answer
    x = 3,026.20

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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.