Home / 3,434.36-5,151.53-1,354.55

Finding the Fourth Proportional to 3,434.36, 5,151.53 and 1,354.55

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Solution

The fourth proportional to 3,434.36, 5,151.53 and 1,354.55 is: 2,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.36 : 5,151.53 = 1,354.55 : x
  2. Step 2: Convert to fraction form
    3,434.36/5,151.53 = 1,354.55/x
  3. Step 3: Cross multiply
    3,434.36x = 5,151.53 × 1,354.55
  4. Step 4: Simplify right side
    3,434.36x = 6,977,982.59
  5. Step 5: Solve for x
    x = 6,977,982.59/3,434.36
  6. Step 6: Final answer
    x = 2,031.82

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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.