Home / 3,477.27-5,214.19-1,720.24

Finding the Fourth Proportional to 3,477.27, 5,214.19 and 1,720.24

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Solution

The fourth proportional to 3,477.27, 5,214.19 and 1,720.24 is: 2,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.27 : 5,214.19 = 1,720.24 : x
  2. Step 2: Convert to fraction form
    3,477.27/5,214.19 = 1,720.24/x
  3. Step 3: Cross multiply
    3,477.27x = 5,214.19 × 1,720.24
  4. Step 4: Simplify right side
    3,477.27x = 8,969,658.21
  5. Step 5: Solve for x
    x = 8,969,658.21/3,477.27
  6. Step 6: Final answer
    x = 2,579.51

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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.