Home / 3,277.72-4,911.08-1,426.06

Finding the Fourth Proportional to 3,277.72, 4,911.08 and 1,426.06

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Solution

The fourth proportional to 3,277.72, 4,911.08 and 1,426.06 is: 2,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.72 : 4,911.08 = 1,426.06 : x
  2. Step 2: Convert to fraction form
    3,277.72/4,911.08 = 1,426.06/x
  3. Step 3: Cross multiply
    3,277.72x = 4,911.08 × 1,426.06
  4. Step 4: Simplify right side
    3,277.72x = 7,003,494.74
  5. Step 5: Solve for x
    x = 7,003,494.74/3,277.72
  6. Step 6: Final answer
    x = 2,136.70

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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.