Home / 3,271.61-4,909.23-1,323.96

Finding the Fourth Proportional to 3,271.61, 4,909.23 and 1,323.96

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Solution

The fourth proportional to 3,271.61, 4,909.23 and 1,323.96 is: 1,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.61 : 4,909.23 = 1,323.96 : x
  2. Step 2: Convert to fraction form
    3,271.61/4,909.23 = 1,323.96/x
  3. Step 3: Cross multiply
    3,271.61x = 4,909.23 × 1,323.96
  4. Step 4: Simplify right side
    3,271.61x = 6,499,624.15
  5. Step 5: Solve for x
    x = 6,499,624.15/3,271.61
  6. Step 6: Final answer
    x = 1,986.68

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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.