Home / 3,975.54-5,483.70-2,561.04

Finding the Fourth Proportional to 3,975.54, 5,483.70 and 2,561.04

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Solution

The fourth proportional to 3,975.54, 5,483.70 and 2,561.04 is: 3,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.54 : 5,483.70 = 2,561.04 : x
  2. Step 2: Convert to fraction form
    3,975.54/5,483.70 = 2,561.04/x
  3. Step 3: Cross multiply
    3,975.54x = 5,483.70 × 2,561.04
  4. Step 4: Simplify right side
    3,975.54x = 14,043,975.05
  5. Step 5: Solve for x
    x = 14,043,975.05/3,975.54
  6. Step 6: Final answer
    x = 3,532.60

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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.