Home / 3,122.19-4,689.36-2,297.21

Finding the Fourth Proportional to 3,122.19, 4,689.36 and 2,297.21

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Solution

The fourth proportional to 3,122.19, 4,689.36 and 2,297.21 is: 3,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.19 : 4,689.36 = 2,297.21 : x
  2. Step 2: Convert to fraction form
    3,122.19/4,689.36 = 2,297.21/x
  3. Step 3: Cross multiply
    3,122.19x = 4,689.36 × 2,297.21
  4. Step 4: Simplify right side
    3,122.19x = 10,772,421.24
  5. Step 5: Solve for x
    x = 10,772,421.24/3,122.19
  6. Step 6: Final answer
    x = 3,450.28

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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.