Home / 1,406.97-2,108.62-1,018.28

Finding the Fourth Proportional to 1,406.97, 2,108.62 and 1,018.28

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Solution

The fourth proportional to 1,406.97, 2,108.62 and 1,018.28 is: 1,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.97 : 2,108.62 = 1,018.28 : x
  2. Step 2: Convert to fraction form
    1,406.97/2,108.62 = 1,018.28/x
  3. Step 3: Cross multiply
    1,406.97x = 2,108.62 × 1,018.28
  4. Step 4: Simplify right side
    1,406.97x = 2,147,165.57
  5. Step 5: Solve for x
    x = 2,147,165.57/1,406.97
  6. Step 6: Final answer
    x = 1,526.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.