Home / 3,361.08-5,038.40-1,800.09

Finding the Fourth Proportional to 3,361.08, 5,038.40 and 1,800.09

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Solution

The fourth proportional to 3,361.08, 5,038.40 and 1,800.09 is: 2,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.08 : 5,038.40 = 1,800.09 : x
  2. Step 2: Convert to fraction form
    3,361.08/5,038.40 = 1,800.09/x
  3. Step 3: Cross multiply
    3,361.08x = 5,038.40 × 1,800.09
  4. Step 4: Simplify right side
    3,361.08x = 9,069,564.46
  5. Step 5: Solve for x
    x = 9,069,564.46/3,361.08
  6. Step 6: Final answer
    x = 2,698.41

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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.