Home / 3,944.50-5,439.76-2,526.80

Finding the Fourth Proportional to 3,944.50, 5,439.76 and 2,526.80

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Solution

The fourth proportional to 3,944.50, 5,439.76 and 2,526.80 is: 3,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.50 : 5,439.76 = 2,526.80 : x
  2. Step 2: Convert to fraction form
    3,944.50/5,439.76 = 2,526.80/x
  3. Step 3: Cross multiply
    3,944.50x = 5,439.76 × 2,526.80
  4. Step 4: Simplify right side
    3,944.50x = 13,745,152.05
  5. Step 5: Solve for x
    x = 13,745,152.05/3,944.50
  6. Step 6: Final answer
    x = 3,484.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.