Home / 4,121.28-6,182.64-2,271.60

Finding the Fourth Proportional to 4,121.28, 6,182.64 and 2,271.60

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Solution

The fourth proportional to 4,121.28, 6,182.64 and 2,271.60 is: 3,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.28 : 6,182.64 = 2,271.60 : x
  2. Step 2: Convert to fraction form
    4,121.28/6,182.64 = 2,271.60/x
  3. Step 3: Cross multiply
    4,121.28x = 6,182.64 × 2,271.60
  4. Step 4: Simplify right side
    4,121.28x = 14,044,485.02
  5. Step 5: Solve for x
    x = 14,044,485.02/4,121.28
  6. Step 6: Final answer
    x = 3,407.80

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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.