Home / 3,361.12-4,637.92-2,119.84

Finding the Fourth Proportional to 3,361.12, 4,637.92 and 2,119.84

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Solution

The fourth proportional to 3,361.12, 4,637.92 and 2,119.84 is: 2,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.12 : 4,637.92 = 2,119.84 : x
  2. Step 2: Convert to fraction form
    3,361.12/4,637.92 = 2,119.84/x
  3. Step 3: Cross multiply
    3,361.12x = 4,637.92 × 2,119.84
  4. Step 4: Simplify right side
    3,361.12x = 9,831,648.33
  5. Step 5: Solve for x
    x = 9,831,648.33/3,361.12
  6. Step 6: Final answer
    x = 2,925.11

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1.5x scale

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.