Home / 3,474.87-4,763.14-3,428.12

Finding the Fourth Proportional to 3,474.87, 4,763.14 and 3,428.12

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Solution

The fourth proportional to 3,474.87, 4,763.14 and 3,428.12 is: 4,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.87 : 4,763.14 = 3,428.12 : x
  2. Step 2: Convert to fraction form
    3,474.87/4,763.14 = 3,428.12/x
  3. Step 3: Cross multiply
    3,474.87x = 4,763.14 × 3,428.12
  4. Step 4: Simplify right side
    3,474.87x = 16,328,618.83
  5. Step 5: Solve for x
    x = 16,328,618.83/3,474.87
  6. Step 6: Final answer
    x = 4,699.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.