Home / 3,223.92-4,448.97-1,898.40

Finding the Fourth Proportional to 3,223.92, 4,448.97 and 1,898.40

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Solution

The fourth proportional to 3,223.92, 4,448.97 and 1,898.40 is: 2,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.92 : 4,448.97 = 1,898.40 : x
  2. Step 2: Convert to fraction form
    3,223.92/4,448.97 = 1,898.40/x
  3. Step 3: Cross multiply
    3,223.92x = 4,448.97 × 1,898.40
  4. Step 4: Simplify right side
    3,223.92x = 8,445,924.65
  5. Step 5: Solve for x
    x = 8,445,924.65/3,223.92
  6. Step 6: Final answer
    x = 2,619.77

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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.