Home / 1,828.02-2,745.68-1,135.47

Finding the Fourth Proportional to 1,828.02, 2,745.68 and 1,135.47

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Solution

The fourth proportional to 1,828.02, 2,745.68 and 1,135.47 is: 1,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.02 : 2,745.68 = 1,135.47 : x
  2. Step 2: Convert to fraction form
    1,828.02/2,745.68 = 1,135.47/x
  3. Step 3: Cross multiply
    1,828.02x = 2,745.68 × 1,135.47
  4. Step 4: Simplify right side
    1,828.02x = 3,117,631.59
  5. Step 5: Solve for x
    x = 3,117,631.59/1,828.02
  6. Step 6: Final answer
    x = 1,705.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.