Home / 3,434.45-5,151.69-1,354.37

Finding the Fourth Proportional to 3,434.45, 5,151.69 and 1,354.37

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Solution

The fourth proportional to 3,434.45, 5,151.69 and 1,354.37 is: 2,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.45 : 5,151.69 = 1,354.37 : x
  2. Step 2: Convert to fraction form
    3,434.45/5,151.69 = 1,354.37/x
  3. Step 3: Cross multiply
    3,434.45x = 5,151.69 × 1,354.37
  4. Step 4: Simplify right side
    3,434.45x = 6,977,268.63
  5. Step 5: Solve for x
    x = 6,977,268.63/3,434.45
  6. Step 6: Final answer
    x = 2,031.56

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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.