Home / 3,975.96-5,484.33-2,561.49

Finding the Fourth Proportional to 3,975.96, 5,484.33 and 2,561.49

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Solution

The fourth proportional to 3,975.96, 5,484.33 and 2,561.49 is: 3,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.96 : 5,484.33 = 2,561.49 : x
  2. Step 2: Convert to fraction form
    3,975.96/5,484.33 = 2,561.49/x
  3. Step 3: Cross multiply
    3,975.96x = 5,484.33 × 2,561.49
  4. Step 4: Simplify right side
    3,975.96x = 14,048,056.45
  5. Step 5: Solve for x
    x = 14,048,056.45/3,975.96
  6. Step 6: Final answer
    x = 3,533.25

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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.