Home / 3,455.11-4,707.33-3,378.97

Finding the Fourth Proportional to 3,455.11, 4,707.33 and 3,378.97

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Solution

The fourth proportional to 3,455.11, 4,707.33 and 3,378.97 is: 4,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.11 : 4,707.33 = 3,378.97 : x
  2. Step 2: Convert to fraction form
    3,455.11/4,707.33 = 3,378.97/x
  3. Step 3: Cross multiply
    3,455.11x = 4,707.33 × 3,378.97
  4. Step 4: Simplify right side
    3,455.11x = 15,905,926.85
  5. Step 5: Solve for x
    x = 15,905,926.85/3,455.11
  6. Step 6: Final answer
    x = 4,603.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.