Home / 3,396.45-4,687.55-2,070.12

Finding the Fourth Proportional to 3,396.45, 4,687.55 and 2,070.12

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Solution

The fourth proportional to 3,396.45, 4,687.55 and 2,070.12 is: 2,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.45 : 4,687.55 = 2,070.12 : x
  2. Step 2: Convert to fraction form
    3,396.45/4,687.55 = 2,070.12/x
  3. Step 3: Cross multiply
    3,396.45x = 4,687.55 × 2,070.12
  4. Step 4: Simplify right side
    3,396.45x = 9,703,791.01
  5. Step 5: Solve for x
    x = 9,703,791.01/3,396.45
  6. Step 6: Final answer
    x = 2,857.04

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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.