Home / 3,325.58-4,984.47-2,138.10

Finding the Fourth Proportional to 3,325.58, 4,984.47 and 2,138.10

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Solution

The fourth proportional to 3,325.58, 4,984.47 and 2,138.10 is: 3,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.58 : 4,984.47 = 2,138.10 : x
  2. Step 2: Convert to fraction form
    3,325.58/4,984.47 = 2,138.10/x
  3. Step 3: Cross multiply
    3,325.58x = 4,984.47 × 2,138.10
  4. Step 4: Simplify right side
    3,325.58x = 10,657,295.31
  5. Step 5: Solve for x
    x = 10,657,295.31/3,325.58
  6. Step 6: Final answer
    x = 3,204.65

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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.