Home / 3,403.84-4,698.11-2,078.67

Finding the Fourth Proportional to 3,403.84, 4,698.11 and 2,078.67

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Solution

The fourth proportional to 3,403.84, 4,698.11 and 2,078.67 is: 2,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.84 : 4,698.11 = 2,078.67 : x
  2. Step 2: Convert to fraction form
    3,403.84/4,698.11 = 2,078.67/x
  3. Step 3: Cross multiply
    3,403.84x = 4,698.11 × 2,078.67
  4. Step 4: Simplify right side
    3,403.84x = 9,765,820.31
  5. Step 5: Solve for x
    x = 9,765,820.31/3,403.84
  6. Step 6: Final answer
    x = 2,869.06

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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.