Home / 3,485.19-5,220.95-2,021.27

Finding the Fourth Proportional to 3,485.19, 5,220.95 and 2,021.27

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Solution

The fourth proportional to 3,485.19, 5,220.95 and 2,021.27 is: 3,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.19 : 5,220.95 = 2,021.27 : x
  2. Step 2: Convert to fraction form
    3,485.19/5,220.95 = 2,021.27/x
  3. Step 3: Cross multiply
    3,485.19x = 5,220.95 × 2,021.27
  4. Step 4: Simplify right side
    3,485.19x = 10,552,913.40
  5. Step 5: Solve for x
    x = 10,552,913.40/3,485.19
  6. Step 6: Final answer
    x = 3,027.93

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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.