Home / 3,069.99-4,234.95-2,126.70

Finding the Fourth Proportional to 3,069.99, 4,234.95 and 2,126.70

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Solution

The fourth proportional to 3,069.99, 4,234.95 and 2,126.70 is: 2,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.99 : 4,234.95 = 2,126.70 : x
  2. Step 2: Convert to fraction form
    3,069.99/4,234.95 = 2,126.70/x
  3. Step 3: Cross multiply
    3,069.99x = 4,234.95 × 2,126.70
  4. Step 4: Simplify right side
    3,069.99x = 9,006,468.17
  5. Step 5: Solve for x
    x = 9,006,468.17/3,069.99
  6. Step 6: Final answer
    x = 2,933.71

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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.