Home / 2,223.99-3,069.48-2,125.58

Finding the Fourth Proportional to 2,223.99, 3,069.48 and 2,125.58

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Solution

The fourth proportional to 2,223.99, 3,069.48 and 2,125.58 is: 2,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.99 : 3,069.48 = 2,125.58 : x
  2. Step 2: Convert to fraction form
    2,223.99/3,069.48 = 2,125.58/x
  3. Step 3: Cross multiply
    2,223.99x = 3,069.48 × 2,125.58
  4. Step 4: Simplify right side
    2,223.99x = 6,524,409.95
  5. Step 5: Solve for x
    x = 6,524,409.95/2,223.99
  6. Step 6: Final answer
    x = 2,933.65

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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.