Home / 3,220.36-4,444.01-2,099.17

Finding the Fourth Proportional to 3,220.36, 4,444.01 and 2,099.17

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Solution

The fourth proportional to 3,220.36, 4,444.01 and 2,099.17 is: 2,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.36 : 4,444.01 = 2,099.17 : x
  2. Step 2: Convert to fraction form
    3,220.36/4,444.01 = 2,099.17/x
  3. Step 3: Cross multiply
    3,220.36x = 4,444.01 × 2,099.17
  4. Step 4: Simplify right side
    3,220.36x = 9,328,722.21
  5. Step 5: Solve for x
    x = 9,328,722.21/3,220.36
  6. Step 6: Final answer
    x = 2,896.80

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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.