Home / 3,090.05-4,632.22-1,217.23

Finding the Fourth Proportional to 3,090.05, 4,632.22 and 1,217.23

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Solution

The fourth proportional to 3,090.05, 4,632.22 and 1,217.23 is: 1,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.05 : 4,632.22 = 1,217.23 : x
  2. Step 2: Convert to fraction form
    3,090.05/4,632.22 = 1,217.23/x
  3. Step 3: Cross multiply
    3,090.05x = 4,632.22 × 1,217.23
  4. Step 4: Simplify right side
    3,090.05x = 5,638,467.09
  5. Step 5: Solve for x
    x = 5,638,467.09/3,090.05
  6. Step 6: Final answer
    x = 1,824.72

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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.