Home / 2,458.60-3,395.62-1,905.75

Finding the Fourth Proportional to 2,458.60, 3,395.62 and 1,905.75

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Solution

The fourth proportional to 2,458.60, 3,395.62 and 1,905.75 is: 2,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.60 : 3,395.62 = 1,905.75 : x
  2. Step 2: Convert to fraction form
    2,458.60/3,395.62 = 1,905.75/x
  3. Step 3: Cross multiply
    2,458.60x = 3,395.62 × 1,905.75
  4. Step 4: Simplify right side
    2,458.60x = 6,471,202.82
  5. Step 5: Solve for x
    x = 6,471,202.82/2,458.60
  6. Step 6: Final answer
    x = 2,632.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.