Home / 3,438.08-4,742.88-2,039.84

Finding the Fourth Proportional to 3,438.08, 4,742.88 and 2,039.84

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Solution

The fourth proportional to 3,438.08, 4,742.88 and 2,039.84 is: 2,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.08 : 4,742.88 = 2,039.84 : x
  2. Step 2: Convert to fraction form
    3,438.08/4,742.88 = 2,039.84/x
  3. Step 3: Cross multiply
    3,438.08x = 4,742.88 × 2,039.84
  4. Step 4: Simplify right side
    3,438.08x = 9,674,716.34
  5. Step 5: Solve for x
    x = 9,674,716.34/3,438.08
  6. Step 6: Final answer
    x = 2,813.99

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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.