Home / 1,820.21-2,511.96-1,034.25

Finding the Fourth Proportional to 1,820.21, 2,511.96 and 1,034.25

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Solution

The fourth proportional to 1,820.21, 2,511.96 and 1,034.25 is: 1,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.21 : 2,511.96 = 1,034.25 : x
  2. Step 2: Convert to fraction form
    1,820.21/2,511.96 = 1,034.25/x
  3. Step 3: Cross multiply
    1,820.21x = 2,511.96 × 1,034.25
  4. Step 4: Simplify right side
    1,820.21x = 2,597,994.63
  5. Step 5: Solve for x
    x = 2,597,994.63/1,820.21
  6. Step 6: Final answer
    x = 1,427.31

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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.