Home / 3,455.46-4,767.66-3,397.14

Finding the Fourth Proportional to 3,455.46, 4,767.66 and 3,397.14

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Solution

The fourth proportional to 3,455.46, 4,767.66 and 3,397.14 is: 4,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.46 : 4,767.66 = 3,397.14 : x
  2. Step 2: Convert to fraction form
    3,455.46/4,767.66 = 3,397.14/x
  3. Step 3: Cross multiply
    3,455.46x = 4,767.66 × 3,397.14
  4. Step 4: Simplify right side
    3,455.46x = 16,196,408.49
  5. Step 5: Solve for x
    x = 16,196,408.49/3,455.46
  6. Step 6: Final answer
    x = 4,687.19

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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.