Home / 3,431.12-4,736.27-2,106.62

Finding the Fourth Proportional to 3,431.12, 4,736.27 and 2,106.62

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Solution

The fourth proportional to 3,431.12, 4,736.27 and 2,106.62 is: 2,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.12 : 4,736.27 = 2,106.62 : x
  2. Step 2: Convert to fraction form
    3,431.12/4,736.27 = 2,106.62/x
  3. Step 3: Cross multiply
    3,431.12x = 4,736.27 × 2,106.62
  4. Step 4: Simplify right side
    3,431.12x = 9,977,502.69
  5. Step 5: Solve for x
    x = 9,977,502.69/3,431.12
  6. Step 6: Final answer
    x = 2,907.94

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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.