Home / 3,491.51-4,813.32-2,777.09

Finding the Fourth Proportional to 3,491.51, 4,813.32 and 2,777.09

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Solution

The fourth proportional to 3,491.51, 4,813.32 and 2,777.09 is: 3,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.51 : 4,813.32 = 2,777.09 : x
  2. Step 2: Convert to fraction form
    3,491.51/4,813.32 = 2,777.09/x
  3. Step 3: Cross multiply
    3,491.51x = 4,813.32 × 2,777.09
  4. Step 4: Simplify right side
    3,491.51x = 13,366,984.89
  5. Step 5: Solve for x
    x = 13,366,984.89/3,491.51
  6. Step 6: Final answer
    x = 3,828.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.