Home / 3,361.86-4,639.32-1,869.84

Finding the Fourth Proportional to 3,361.86, 4,639.32 and 1,869.84

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Solution

The fourth proportional to 3,361.86, 4,639.32 and 1,869.84 is: 2,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.86 : 4,639.32 = 1,869.84 : x
  2. Step 2: Convert to fraction form
    3,361.86/4,639.32 = 1,869.84/x
  3. Step 3: Cross multiply
    3,361.86x = 4,639.32 × 1,869.84
  4. Step 4: Simplify right side
    3,361.86x = 8,674,786.11
  5. Step 5: Solve for x
    x = 8,674,786.11/3,361.86
  6. Step 6: Final answer
    x = 2,580.35

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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.