Home / 2,289.06-3,157.74-1,448.35

Finding the Fourth Proportional to 2,289.06, 3,157.74 and 1,448.35

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Solution

The fourth proportional to 2,289.06, 3,157.74 and 1,448.35 is: 1,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.06 : 3,157.74 = 1,448.35 : x
  2. Step 2: Convert to fraction form
    2,289.06/3,157.74 = 1,448.35/x
  3. Step 3: Cross multiply
    2,289.06x = 3,157.74 × 1,448.35
  4. Step 4: Simplify right side
    2,289.06x = 4,573,512.73
  5. Step 5: Solve for x
    x = 4,573,512.73/2,289.06
  6. Step 6: Final answer
    x = 1,997.99

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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.