Home / 3,271.80-4,907.70-3,223.20

Finding the Fourth Proportional to 3,271.80, 4,907.70 and 3,223.20

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Solution

The fourth proportional to 3,271.80, 4,907.70 and 3,223.20 is: 4,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.80 : 4,907.70 = 3,223.20 : x
  2. Step 2: Convert to fraction form
    3,271.80/4,907.70 = 3,223.20/x
  3. Step 3: Cross multiply
    3,271.80x = 4,907.70 × 3,223.20
  4. Step 4: Simplify right side
    3,271.80x = 15,818,498.64
  5. Step 5: Solve for x
    x = 15,818,498.64/3,271.80
  6. Step 6: Final answer
    x = 4,834.80

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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.