Home / 4,181.60-6,271.40-2,422.80

Finding the Fourth Proportional to 4,181.60, 6,271.40 and 2,422.80

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Solution

The fourth proportional to 4,181.60, 6,271.40 and 2,422.80 is: 3,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.60 : 6,271.40 = 2,422.80 : x
  2. Step 2: Convert to fraction form
    4,181.60/6,271.40 = 2,422.80/x
  3. Step 3: Cross multiply
    4,181.60x = 6,271.40 × 2,422.80
  4. Step 4: Simplify right side
    4,181.60x = 15,194,347.92
  5. Step 5: Solve for x
    x = 15,194,347.92/4,181.60
  6. Step 6: Final answer
    x = 3,633.62

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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.