Home / 2,223.95-3,069.09-1,339.56

Finding the Fourth Proportional to 2,223.95, 3,069.09 and 1,339.56

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Solution

The fourth proportional to 2,223.95, 3,069.09 and 1,339.56 is: 1,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.95 : 3,069.09 = 1,339.56 : x
  2. Step 2: Convert to fraction form
    2,223.95/3,069.09 = 1,339.56/x
  3. Step 3: Cross multiply
    2,223.95x = 3,069.09 × 1,339.56
  4. Step 4: Simplify right side
    2,223.95x = 4,111,230.20
  5. Step 5: Solve for x
    x = 4,111,230.20/2,223.95
  6. Step 6: Final answer
    x = 1,848.62

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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.