Home / 3,069.28-4,613.64-2,641.60

Finding the Fourth Proportional to 3,069.28, 4,613.64 and 2,641.60

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Solution

The fourth proportional to 3,069.28, 4,613.64 and 2,641.60 is: 3,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.28 : 4,613.64 = 2,641.60 : x
  2. Step 2: Convert to fraction form
    3,069.28/4,613.64 = 2,641.60/x
  3. Step 3: Cross multiply
    3,069.28x = 4,613.64 × 2,641.60
  4. Step 4: Simplify right side
    3,069.28x = 12,187,391.42
  5. Step 5: Solve for x
    x = 12,187,391.42/3,069.28
  6. Step 6: Final answer
    x = 3,970.77

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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.