Home / 2,223.88-3,334.64-1,112.08

Finding the Fourth Proportional to 2,223.88, 3,334.64 and 1,112.08

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Solution

The fourth proportional to 2,223.88, 3,334.64 and 1,112.08 is: 1,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.88 : 3,334.64 = 1,112.08 : x
  2. Step 2: Convert to fraction form
    2,223.88/3,334.64 = 1,112.08/x
  3. Step 3: Cross multiply
    2,223.88x = 3,334.64 × 1,112.08
  4. Step 4: Simplify right side
    2,223.88x = 3,708,386.45
  5. Step 5: Solve for x
    x = 3,708,386.45/2,223.88
  6. Step 6: Final answer
    x = 1,667.53

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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.