Home / 3,224.75-4,450.16-1,899.28

Finding the Fourth Proportional to 3,224.75, 4,450.16 and 1,899.28

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Solution

The fourth proportional to 3,224.75, 4,450.16 and 1,899.28 is: 2,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.75 : 4,450.16 = 1,899.28 : x
  2. Step 2: Convert to fraction form
    3,224.75/4,450.16 = 1,899.28/x
  3. Step 3: Cross multiply
    3,224.75x = 4,450.16 × 1,899.28
  4. Step 4: Simplify right side
    3,224.75x = 8,452,068.14
  5. Step 5: Solve for x
    x = 8,452,068.14/3,224.75
  6. Step 6: Final answer
    x = 2,621.00

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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.