Home / 2,223.06-3,332.97-1,918.50

Finding the Fourth Proportional to 2,223.06, 3,332.97 and 1,918.50

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Solution

The fourth proportional to 2,223.06, 3,332.97 and 1,918.50 is: 2,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.06 : 3,332.97 = 1,918.50 : x
  2. Step 2: Convert to fraction form
    2,223.06/3,332.97 = 1,918.50/x
  3. Step 3: Cross multiply
    2,223.06x = 3,332.97 × 1,918.50
  4. Step 4: Simplify right side
    2,223.06x = 6,394,302.95
  5. Step 5: Solve for x
    x = 6,394,302.95/2,223.06
  6. Step 6: Final answer
    x = 2,876.35

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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.