Home / 3,181.29-4,361.21-3,130.26

Finding the Fourth Proportional to 3,181.29, 4,361.21 and 3,130.26

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Solution

The fourth proportional to 3,181.29, 4,361.21 and 3,130.26 is: 4,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.29 : 4,361.21 = 3,130.26 : x
  2. Step 2: Convert to fraction form
    3,181.29/4,361.21 = 3,130.26/x
  3. Step 3: Cross multiply
    3,181.29x = 4,361.21 × 3,130.26
  4. Step 4: Simplify right side
    3,181.29x = 13,651,705.56
  5. Step 5: Solve for x
    x = 13,651,705.56/3,181.29
  6. Step 6: Final answer
    x = 4,291.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.