Home / 4,181.80-6,272.70-2,869.60

Finding the Fourth Proportional to 4,181.80, 6,272.70 and 2,869.60

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Solution

The fourth proportional to 4,181.80, 6,272.70 and 2,869.60 is: 4,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.80 : 6,272.70 = 2,869.60 : x
  2. Step 2: Convert to fraction form
    4,181.80/6,272.70 = 2,869.60/x
  3. Step 3: Cross multiply
    4,181.80x = 6,272.70 × 2,869.60
  4. Step 4: Simplify right side
    4,181.80x = 18,000,139.92
  5. Step 5: Solve for x
    x = 18,000,139.92/4,181.80
  6. Step 6: Final answer
    x = 4,304.40

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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.