Home / 3,477.19-5,213.05-1,720.97

Finding the Fourth Proportional to 3,477.19, 5,213.05 and 1,720.97

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Solution

The fourth proportional to 3,477.19, 5,213.05 and 1,720.97 is: 2,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.19 : 5,213.05 = 1,720.97 : x
  2. Step 2: Convert to fraction form
    3,477.19/5,213.05 = 1,720.97/x
  3. Step 3: Cross multiply
    3,477.19x = 5,213.05 × 1,720.97
  4. Step 4: Simplify right side
    3,477.19x = 8,971,467.99
  5. Step 5: Solve for x
    x = 8,971,467.99/3,477.19
  6. Step 6: Final answer
    x = 2,580.09

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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.