Home / 3,225.06-4,450.71-1,898.70

Finding the Fourth Proportional to 3,225.06, 4,450.71 and 1,898.70

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Solution

The fourth proportional to 3,225.06, 4,450.71 and 1,898.70 is: 2,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.06 : 4,450.71 = 1,898.70 : x
  2. Step 2: Convert to fraction form
    3,225.06/4,450.71 = 1,898.70/x
  3. Step 3: Cross multiply
    3,225.06x = 4,450.71 × 1,898.70
  4. Step 4: Simplify right side
    3,225.06x = 8,450,563.08
  5. Step 5: Solve for x
    x = 8,450,563.08/3,225.06
  6. Step 6: Final answer
    x = 2,620.28

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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.