Home / 2,943.14-4,415.76-1,299.50

Finding the Fourth Proportional to 2,943.14, 4,415.76 and 1,299.50

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Solution

The fourth proportional to 2,943.14, 4,415.76 and 1,299.50 is: 1,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.14 : 4,415.76 = 1,299.50 : x
  2. Step 2: Convert to fraction form
    2,943.14/4,415.76 = 1,299.50/x
  3. Step 3: Cross multiply
    2,943.14x = 4,415.76 × 1,299.50
  4. Step 4: Simplify right side
    2,943.14x = 5,738,280.12
  5. Step 5: Solve for x
    x = 5,738,280.12/2,943.14
  6. Step 6: Final answer
    x = 1,949.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.