Home / 3,403.58-5,103.03-1,528.76

Finding the Fourth Proportional to 3,403.58, 5,103.03 and 1,528.76

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Solution

The fourth proportional to 3,403.58, 5,103.03 and 1,528.76 is: 2,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.58 : 5,103.03 = 1,528.76 : x
  2. Step 2: Convert to fraction form
    3,403.58/5,103.03 = 1,528.76/x
  3. Step 3: Cross multiply
    3,403.58x = 5,103.03 × 1,528.76
  4. Step 4: Simplify right side
    3,403.58x = 7,801,308.14
  5. Step 5: Solve for x
    x = 7,801,308.14/3,403.58
  6. Step 6: Final answer
    x = 2,292.09

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1.5x scale

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.