Home / 1,578.95-2,179.47-1,083.03

Finding the Fourth Proportional to 1,578.95, 2,179.47 and 1,083.03

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Solution

The fourth proportional to 1,578.95, 2,179.47 and 1,083.03 is: 1,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.95 : 2,179.47 = 1,083.03 : x
  2. Step 2: Convert to fraction form
    1,578.95/2,179.47 = 1,083.03/x
  3. Step 3: Cross multiply
    1,578.95x = 2,179.47 × 1,083.03
  4. Step 4: Simplify right side
    1,578.95x = 2,360,427.28
  5. Step 5: Solve for x
    x = 2,360,427.28/1,578.95
  6. Step 6: Final answer
    x = 1,494.94

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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.