Home / 1,820.44-2,512.34-1,074.28

Finding the Fourth Proportional to 1,820.44, 2,512.34 and 1,074.28

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Solution

The fourth proportional to 1,820.44, 2,512.34 and 1,074.28 is: 1,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.44 : 2,512.34 = 1,074.28 : x
  2. Step 2: Convert to fraction form
    1,820.44/2,512.34 = 1,074.28/x
  3. Step 3: Cross multiply
    1,820.44x = 2,512.34 × 1,074.28
  4. Step 4: Simplify right side
    1,820.44x = 2,698,956.62
  5. Step 5: Solve for x
    x = 2,698,956.62/1,820.44
  6. Step 6: Final answer
    x = 1,482.58

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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.