Home / 3,621.99-5,431.37-1,674.75

Finding the Fourth Proportional to 3,621.99, 5,431.37 and 1,674.75

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Solution

The fourth proportional to 3,621.99, 5,431.37 and 1,674.75 is: 2,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.99 : 5,431.37 = 1,674.75 : x
  2. Step 2: Convert to fraction form
    3,621.99/5,431.37 = 1,674.75/x
  3. Step 3: Cross multiply
    3,621.99x = 5,431.37 × 1,674.75
  4. Step 4: Simplify right side
    3,621.99x = 9,096,178.53
  5. Step 5: Solve for x
    x = 9,096,178.53/3,621.99
  6. Step 6: Final answer
    x = 2,511.38

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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.