Home / 1,820.42-2,512.20-1,034.48

Finding the Fourth Proportional to 1,820.42, 2,512.20 and 1,034.48

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Solution

The fourth proportional to 1,820.42, 2,512.20 and 1,034.48 is: 1,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.42 : 2,512.20 = 1,034.48 : x
  2. Step 2: Convert to fraction form
    1,820.42/2,512.20 = 1,034.48/x
  3. Step 3: Cross multiply
    1,820.42x = 2,512.20 × 1,034.48
  4. Step 4: Simplify right side
    1,820.42x = 2,598,820.66
  5. Step 5: Solve for x
    x = 2,598,820.66/1,820.42
  6. Step 6: Final answer
    x = 1,427.59

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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.