Home / 3,515.21-4,841.11-3,438.66

Finding the Fourth Proportional to 3,515.21, 4,841.11 and 3,438.66

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Solution

The fourth proportional to 3,515.21, 4,841.11 and 3,438.66 is: 4,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.21 : 4,841.11 = 3,438.66 : x
  2. Step 2: Convert to fraction form
    3,515.21/4,841.11 = 3,438.66/x
  3. Step 3: Cross multiply
    3,515.21x = 4,841.11 × 3,438.66
  4. Step 4: Simplify right side
    3,515.21x = 16,646,931.31
  5. Step 5: Solve for x
    x = 16,646,931.31/3,515.21
  6. Step 6: Final answer
    x = 4,735.69

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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.