Home / 1,418.45-1,956.87-1,024.61

Finding the Fourth Proportional to 1,418.45, 1,956.87 and 1,024.61

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Solution

The fourth proportional to 1,418.45, 1,956.87 and 1,024.61 is: 1,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.45 : 1,956.87 = 1,024.61 : x
  2. Step 2: Convert to fraction form
    1,418.45/1,956.87 = 1,024.61/x
  3. Step 3: Cross multiply
    1,418.45x = 1,956.87 × 1,024.61
  4. Step 4: Simplify right side
    1,418.45x = 2,005,028.57
  5. Step 5: Solve for x
    x = 2,005,028.57/1,418.45
  6. Step 6: Final answer
    x = 1,413.53

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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.