Home / 2,290.37-3,442.28-1,902.87

Finding the Fourth Proportional to 2,290.37, 3,442.28 and 1,902.87

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Solution

The fourth proportional to 2,290.37, 3,442.28 and 1,902.87 is: 2,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.37 : 3,442.28 = 1,902.87 : x
  2. Step 2: Convert to fraction form
    2,290.37/3,442.28 = 1,902.87/x
  3. Step 3: Cross multiply
    2,290.37x = 3,442.28 × 1,902.87
  4. Step 4: Simplify right side
    2,290.37x = 6,550,201.83
  5. Step 5: Solve for x
    x = 6,550,201.83/2,290.37
  6. Step 6: Final answer
    x = 2,859.89

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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.