Home / 3,188.03-4,782.56-2,774.21

Finding the Fourth Proportional to 3,188.03, 4,782.56 and 2,774.21

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Solution

The fourth proportional to 3,188.03, 4,782.56 and 2,774.21 is: 4,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.03 : 4,782.56 = 2,774.21 : x
  2. Step 2: Convert to fraction form
    3,188.03/4,782.56 = 2,774.21/x
  3. Step 3: Cross multiply
    3,188.03x = 4,782.56 × 2,774.21
  4. Step 4: Simplify right side
    3,188.03x = 13,267,787.99
  5. Step 5: Solve for x
    x = 13,267,787.99/3,188.03
  6. Step 6: Final answer
    x = 4,161.76

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1.5x scale

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.