Home / 4,089.78-5,644.64-2,411.09

Finding the Fourth Proportional to 4,089.78, 5,644.64 and 2,411.09

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Solution

The fourth proportional to 4,089.78, 5,644.64 and 2,411.09 is: 3,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.78 : 5,644.64 = 2,411.09 : x
  2. Step 2: Convert to fraction form
    4,089.78/5,644.64 = 2,411.09/x
  3. Step 3: Cross multiply
    4,089.78x = 5,644.64 × 2,411.09
  4. Step 4: Simplify right side
    4,089.78x = 13,609,735.06
  5. Step 5: Solve for x
    x = 13,609,735.06/4,089.78
  6. Step 6: Final answer
    x = 3,327.74

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1.5x scale

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.