Home / 3,271.70-4,907.64-1,323.74

Finding the Fourth Proportional to 3,271.70, 4,907.64 and 1,323.74

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Solution

The fourth proportional to 3,271.70, 4,907.64 and 1,323.74 is: 1,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.70 : 4,907.64 = 1,323.74 : x
  2. Step 2: Convert to fraction form
    3,271.70/4,907.64 = 1,323.74/x
  3. Step 3: Cross multiply
    3,271.70x = 4,907.64 × 1,323.74
  4. Step 4: Simplify right side
    3,271.70x = 6,496,439.37
  5. Step 5: Solve for x
    x = 6,496,439.37/3,271.70
  6. Step 6: Final answer
    x = 1,985.65

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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.