Home / 2,201.81-3,307.88-2,077.27

Finding the Fourth Proportional to 2,201.81, 3,307.88 and 2,077.27

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Solution

The fourth proportional to 2,201.81, 3,307.88 and 2,077.27 is: 3,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.81 : 3,307.88 = 2,077.27 : x
  2. Step 2: Convert to fraction form
    2,201.81/3,307.88 = 2,077.27/x
  3. Step 3: Cross multiply
    2,201.81x = 3,307.88 × 2,077.27
  4. Step 4: Simplify right side
    2,201.81x = 6,871,349.50
  5. Step 5: Solve for x
    x = 6,871,349.50/2,201.81
  6. Step 6: Final answer
    x = 3,120.77

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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.