Home / 3,262.78-4,895.58-1,618.39

Finding the Fourth Proportional to 3,262.78, 4,895.58 and 1,618.39

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Solution

The fourth proportional to 3,262.78, 4,895.58 and 1,618.39 is: 2,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.78 : 4,895.58 = 1,618.39 : x
  2. Step 2: Convert to fraction form
    3,262.78/4,895.58 = 1,618.39/x
  3. Step 3: Cross multiply
    3,262.78x = 4,895.58 × 1,618.39
  4. Step 4: Simplify right side
    3,262.78x = 7,922,957.72
  5. Step 5: Solve for x
    x = 7,922,957.72/3,262.78
  6. Step 6: Final answer
    x = 2,428.28

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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.