Home / 3,069.18-4,607.78-1,822.05

Finding the Fourth Proportional to 3,069.18, 4,607.78 and 1,822.05

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Solution

The fourth proportional to 3,069.18, 4,607.78 and 1,822.05 is: 2,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.18 : 4,607.78 = 1,822.05 : x
  2. Step 2: Convert to fraction form
    3,069.18/4,607.78 = 1,822.05/x
  3. Step 3: Cross multiply
    3,069.18x = 4,607.78 × 1,822.05
  4. Step 4: Simplify right side
    3,069.18x = 8,395,577.95
  5. Step 5: Solve for x
    x = 8,395,577.95/3,069.18
  6. Step 6: Final answer
    x = 2,735.45

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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.