Home / 1,922.54-2,886.08-1,618.18

Finding the Fourth Proportional to 1,922.54, 2,886.08 and 1,618.18

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Solution

The fourth proportional to 1,922.54, 2,886.08 and 1,618.18 is: 2,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.54 : 2,886.08 = 1,618.18 : x
  2. Step 2: Convert to fraction form
    1,922.54/2,886.08 = 1,618.18/x
  3. Step 3: Cross multiply
    1,922.54x = 2,886.08 × 1,618.18
  4. Step 4: Simplify right side
    1,922.54x = 4,670,190.73
  5. Step 5: Solve for x
    x = 4,670,190.73/1,922.54
  6. Step 6: Final answer
    x = 2,429.18

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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.