Home / 1,820.80-2,512.56-1,034.68

Finding the Fourth Proportional to 1,820.80, 2,512.56 and 1,034.68

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Solution

The fourth proportional to 1,820.80, 2,512.56 and 1,034.68 is: 1,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.80 : 2,512.56 = 1,034.68 : x
  2. Step 2: Convert to fraction form
    1,820.80/2,512.56 = 1,034.68/x
  3. Step 3: Cross multiply
    1,820.80x = 2,512.56 × 1,034.68
  4. Step 4: Simplify right side
    1,820.80x = 2,599,695.58
  5. Step 5: Solve for x
    x = 2,599,695.58/1,820.80
  6. Step 6: Final answer
    x = 1,427.78

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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.