Home / 3,157.45-4,361.14-2,166.01

Finding the Fourth Proportional to 3,157.45, 4,361.14 and 2,166.01

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Solution

The fourth proportional to 3,157.45, 4,361.14 and 2,166.01 is: 2,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.45 : 4,361.14 = 2,166.01 : x
  2. Step 2: Convert to fraction form
    3,157.45/4,361.14 = 2,166.01/x
  3. Step 3: Cross multiply
    3,157.45x = 4,361.14 × 2,166.01
  4. Step 4: Simplify right side
    3,157.45x = 9,446,264.66
  5. Step 5: Solve for x
    x = 9,446,264.66/3,157.45
  6. Step 6: Final answer
    x = 2,991.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.