Home / 1,845.20-2,767.80-1,662.95

Finding the Fourth Proportional to 1,845.20, 2,767.80 and 1,662.95

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Solution

The fourth proportional to 1,845.20, 2,767.80 and 1,662.95 is: 2,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.20 : 2,767.80 = 1,662.95 : x
  2. Step 2: Convert to fraction form
    1,845.20/2,767.80 = 1,662.95/x
  3. Step 3: Cross multiply
    1,845.20x = 2,767.80 × 1,662.95
  4. Step 4: Simplify right side
    1,845.20x = 4,602,713.01
  5. Step 5: Solve for x
    x = 4,602,713.01/1,845.20
  6. Step 6: Final answer
    x = 2,494.43

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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.