Home / 3,291.24-4,938.85-1,442.46

Finding the Fourth Proportional to 3,291.24, 4,938.85 and 1,442.46

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Solution

The fourth proportional to 3,291.24, 4,938.85 and 1,442.46 is: 2,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.24 : 4,938.85 = 1,442.46 : x
  2. Step 2: Convert to fraction form
    3,291.24/4,938.85 = 1,442.46/x
  3. Step 3: Cross multiply
    3,291.24x = 4,938.85 × 1,442.46
  4. Step 4: Simplify right side
    3,291.24x = 7,124,093.57
  5. Step 5: Solve for x
    x = 7,124,093.57/3,291.24
  6. Step 6: Final answer
    x = 2,164.56

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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.