Home / 1,845.25-2,768.78-1,602.86

Finding the Fourth Proportional to 1,845.25, 2,768.78 and 1,602.86

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Solution

The fourth proportional to 1,845.25, 2,768.78 and 1,602.86 is: 2,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.25 : 2,768.78 = 1,602.86 : x
  2. Step 2: Convert to fraction form
    1,845.25/2,768.78 = 1,602.86/x
  3. Step 3: Cross multiply
    1,845.25x = 2,768.78 × 1,602.86
  4. Step 4: Simplify right side
    1,845.25x = 4,437,956.87
  5. Step 5: Solve for x
    x = 4,437,956.87/1,845.25
  6. Step 6: Final answer
    x = 2,405.07

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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.