Home / 3,514.32-5,259.24-2,126.88

Finding the Fourth Proportional to 3,514.32, 5,259.24 and 2,126.88

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Solution

The fourth proportional to 3,514.32, 5,259.24 and 2,126.88 is: 3,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.32 : 5,259.24 = 2,126.88 : x
  2. Step 2: Convert to fraction form
    3,514.32/5,259.24 = 2,126.88/x
  3. Step 3: Cross multiply
    3,514.32x = 5,259.24 × 2,126.88
  4. Step 4: Simplify right side
    3,514.32x = 11,185,772.37
  5. Step 5: Solve for x
    x = 11,185,772.37/3,514.32
  6. Step 6: Final answer
    x = 3,182.91

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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.