Home / 2,922.01-4,361.81-2,705.21

Finding the Fourth Proportional to 2,922.01, 4,361.81 and 2,705.21

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Solution

The fourth proportional to 2,922.01, 4,361.81 and 2,705.21 is: 4,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.01 : 4,361.81 = 2,705.21 : x
  2. Step 2: Convert to fraction form
    2,922.01/4,361.81 = 2,705.21/x
  3. Step 3: Cross multiply
    2,922.01x = 4,361.81 × 2,705.21
  4. Step 4: Simplify right side
    2,922.01x = 11,799,596.98
  5. Step 5: Solve for x
    x = 11,799,596.98/2,922.01
  6. Step 6: Final answer
    x = 4,038.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.