Home / 3,512.08-5,264.14-1,429.46

Finding the Fourth Proportional to 3,512.08, 5,264.14 and 1,429.46

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Solution

The fourth proportional to 3,512.08, 5,264.14 and 1,429.46 is: 2,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.08 : 5,264.14 = 1,429.46 : x
  2. Step 2: Convert to fraction form
    3,512.08/5,264.14 = 1,429.46/x
  3. Step 3: Cross multiply
    3,512.08x = 5,264.14 × 1,429.46
  4. Step 4: Simplify right side
    3,512.08x = 7,524,899.70
  5. Step 5: Solve for x
    x = 7,524,899.70/3,512.08
  6. Step 6: Final answer
    x = 2,142.58

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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.