Home / 2,083.44-2,875.05-1,139.28

Finding the Fourth Proportional to 2,083.44, 2,875.05 and 1,139.28

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Solution

The fourth proportional to 2,083.44, 2,875.05 and 1,139.28 is: 1,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.44 : 2,875.05 = 1,139.28 : x
  2. Step 2: Convert to fraction form
    2,083.44/2,875.05 = 1,139.28/x
  3. Step 3: Cross multiply
    2,083.44x = 2,875.05 × 1,139.28
  4. Step 4: Simplify right side
    2,083.44x = 3,275,486.96
  5. Step 5: Solve for x
    x = 3,275,486.96/2,083.44
  6. Step 6: Final answer
    x = 1,572.15

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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.