Home / 4,146.40-6,219.66-2,684.80

Finding the Fourth Proportional to 4,146.40, 6,219.66 and 2,684.80

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Solution

The fourth proportional to 4,146.40, 6,219.66 and 2,684.80 is: 4,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.40 : 6,219.66 = 2,684.80 : x
  2. Step 2: Convert to fraction form
    4,146.40/6,219.66 = 2,684.80/x
  3. Step 3: Cross multiply
    4,146.40x = 6,219.66 × 2,684.80
  4. Step 4: Simplify right side
    4,146.40x = 16,698,543.17
  5. Step 5: Solve for x
    x = 16,698,543.17/4,146.40
  6. Step 6: Final answer
    x = 4,027.24

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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.