Home / 2,840.54-4,260.22-1,785.87

Finding the Fourth Proportional to 2,840.54, 4,260.22 and 1,785.87

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Solution

The fourth proportional to 2,840.54, 4,260.22 and 1,785.87 is: 2,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.54 : 4,260.22 = 1,785.87 : x
  2. Step 2: Convert to fraction form
    2,840.54/4,260.22 = 1,785.87/x
  3. Step 3: Cross multiply
    2,840.54x = 4,260.22 × 1,785.87
  4. Step 4: Simplify right side
    2,840.54x = 7,608,194.63
  5. Step 5: Solve for x
    x = 7,608,194.63/2,840.54
  6. Step 6: Final answer
    x = 2,678.44

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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.