Home / 1,471.95-2,029.44-1,078.29

Finding the Fourth Proportional to 1,471.95, 2,029.44 and 1,078.29

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Solution

The fourth proportional to 1,471.95, 2,029.44 and 1,078.29 is: 1,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.95 : 2,029.44 = 1,078.29 : x
  2. Step 2: Convert to fraction form
    1,471.95/2,029.44 = 1,078.29/x
  3. Step 3: Cross multiply
    1,471.95x = 2,029.44 × 1,078.29
  4. Step 4: Simplify right side
    1,471.95x = 2,188,324.86
  5. Step 5: Solve for x
    x = 2,188,324.86/1,471.95
  6. Step 6: Final answer
    x = 1,486.68

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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.