Home / 3,427.52-5,140.80-1,346.09

Finding the Fourth Proportional to 3,427.52, 5,140.80 and 1,346.09

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Solution

The fourth proportional to 3,427.52, 5,140.80 and 1,346.09 is: 2,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.52 : 5,140.80 = 1,346.09 : x
  2. Step 2: Convert to fraction form
    3,427.52/5,140.80 = 1,346.09/x
  3. Step 3: Cross multiply
    3,427.52x = 5,140.80 × 1,346.09
  4. Step 4: Simplify right side
    3,427.52x = 6,919,953.77
  5. Step 5: Solve for x
    x = 6,919,953.77/3,427.52
  6. Step 6: Final answer
    x = 2,018.94

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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.