Home / 3,150.30-4,721.94-1,299.18

Finding the Fourth Proportional to 3,150.30, 4,721.94 and 1,299.18

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Solution

The fourth proportional to 3,150.30, 4,721.94 and 1,299.18 is: 1,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.30 : 4,721.94 = 1,299.18 : x
  2. Step 2: Convert to fraction form
    3,150.30/4,721.94 = 1,299.18/x
  3. Step 3: Cross multiply
    3,150.30x = 4,721.94 × 1,299.18
  4. Step 4: Simplify right side
    3,150.30x = 6,134,650.01
  5. Step 5: Solve for x
    x = 6,134,650.01/3,150.30
  6. Step 6: Final answer
    x = 1,947.32

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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.