Home / 3,271.60-4,907.40-3,206.80

Finding the Fourth Proportional to 3,271.60, 4,907.40 and 3,206.80

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Solution

The fourth proportional to 3,271.60, 4,907.40 and 3,206.80 is: 4,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.60 : 4,907.40 = 3,206.80 : x
  2. Step 2: Convert to fraction form
    3,271.60/4,907.40 = 3,206.80/x
  3. Step 3: Cross multiply
    3,271.60x = 4,907.40 × 3,206.80
  4. Step 4: Simplify right side
    3,271.60x = 15,737,050.32
  5. Step 5: Solve for x
    x = 15,737,050.32/3,271.60
  6. Step 6: Final answer
    x = 4,810.20

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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.