Home / 3,441.72-5,161.85-975.87

Finding the Fourth Proportional to 3,441.72, 5,161.85 and 975.87

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Solution

The fourth proportional to 3,441.72, 5,161.85 and 975.87 is: 1,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.72 : 5,161.85 = 975.87 : x
  2. Step 2: Convert to fraction form
    3,441.72/5,161.85 = 975.87/x
  3. Step 3: Cross multiply
    3,441.72x = 5,161.85 × 975.87
  4. Step 4: Simplify right side
    3,441.72x = 5,037,310.60
  5. Step 5: Solve for x
    x = 5,037,310.60/3,441.72
  6. Step 6: Final answer
    x = 1,463.60

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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.