Home / 4,019.45-6,029.78-1,422.18

Finding the Fourth Proportional to 4,019.45, 6,029.78 and 1,422.18

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Solution

The fourth proportional to 4,019.45, 6,029.78 and 1,422.18 is: 2,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.45 : 6,029.78 = 1,422.18 : x
  2. Step 2: Convert to fraction form
    4,019.45/6,029.78 = 1,422.18/x
  3. Step 3: Cross multiply
    4,019.45x = 6,029.78 × 1,422.18
  4. Step 4: Simplify right side
    4,019.45x = 8,575,425.41
  5. Step 5: Solve for x
    x = 8,575,425.41/4,019.45
  6. Step 6: Final answer
    x = 2,133.48

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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.