Home / 2,654.21-3,981.38-2,266.89

Finding the Fourth Proportional to 2,654.21, 3,981.38 and 2,266.89

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Solution

The fourth proportional to 2,654.21, 3,981.38 and 2,266.89 is: 3,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.21 : 3,981.38 = 2,266.89 : x
  2. Step 2: Convert to fraction form
    2,654.21/3,981.38 = 2,266.89/x
  3. Step 3: Cross multiply
    2,654.21x = 3,981.38 × 2,266.89
  4. Step 4: Simplify right side
    2,654.21x = 9,025,339.17
  5. Step 5: Solve for x
    x = 9,025,339.17/2,654.21
  6. Step 6: Final answer
    x = 3,400.39

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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.