Home / 3,500.43-5,250.48-1,308.99

Finding the Fourth Proportional to 3,500.43, 5,250.48 and 1,308.99

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Solution

The fourth proportional to 3,500.43, 5,250.48 and 1,308.99 is: 1,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.43 : 5,250.48 = 1,308.99 : x
  2. Step 2: Convert to fraction form
    3,500.43/5,250.48 = 1,308.99/x
  3. Step 3: Cross multiply
    3,500.43x = 5,250.48 × 1,308.99
  4. Step 4: Simplify right side
    3,500.43x = 6,872,825.82
  5. Step 5: Solve for x
    x = 6,872,825.82/3,500.43
  6. Step 6: Final answer
    x = 1,963.42

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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.