Home / 3,403.88-4,697.85-2,078.34

Finding the Fourth Proportional to 3,403.88, 4,697.85 and 2,078.34

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Solution

The fourth proportional to 3,403.88, 4,697.85 and 2,078.34 is: 2,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.88 : 4,697.85 = 2,078.34 : x
  2. Step 2: Convert to fraction form
    3,403.88/4,697.85 = 2,078.34/x
  3. Step 3: Cross multiply
    3,403.88x = 4,697.85 × 2,078.34
  4. Step 4: Simplify right side
    3,403.88x = 9,763,729.57
  5. Step 5: Solve for x
    x = 9,763,729.57/3,403.88
  6. Step 6: Final answer
    x = 2,868.42

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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.