Home / 2,455.79-3,664.82-2,193.05

Finding the Fourth Proportional to 2,455.79, 3,664.82 and 2,193.05

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Solution

The fourth proportional to 2,455.79, 3,664.82 and 2,193.05 is: 3,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.79 : 3,664.82 = 2,193.05 : x
  2. Step 2: Convert to fraction form
    2,455.79/3,664.82 = 2,193.05/x
  3. Step 3: Cross multiply
    2,455.79x = 3,664.82 × 2,193.05
  4. Step 4: Simplify right side
    2,455.79x = 8,037,138.61
  5. Step 5: Solve for x
    x = 8,037,138.61/2,455.79
  6. Step 6: Final answer
    x = 3,272.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.