Home / 1,967.37-2,714.99-1,083.20

Finding the Fourth Proportional to 1,967.37, 2,714.99 and 1,083.20

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Solution

The fourth proportional to 1,967.37, 2,714.99 and 1,083.20 is: 1,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.37 : 2,714.99 = 1,083.20 : x
  2. Step 2: Convert to fraction form
    1,967.37/2,714.99 = 1,083.20/x
  3. Step 3: Cross multiply
    1,967.37x = 2,714.99 × 1,083.20
  4. Step 4: Simplify right side
    1,967.37x = 2,940,877.17
  5. Step 5: Solve for x
    x = 2,940,877.17/1,967.37
  6. Step 6: Final answer
    x = 1,494.83

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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.