Home / 1,563.56-2,146.22-1,382.56

Finding the Fourth Proportional to 1,563.56, 2,146.22 and 1,382.56

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Solution

The fourth proportional to 1,563.56, 2,146.22 and 1,382.56 is: 1,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.56 : 2,146.22 = 1,382.56 : x
  2. Step 2: Convert to fraction form
    1,563.56/2,146.22 = 1,382.56/x
  3. Step 3: Cross multiply
    1,563.56x = 2,146.22 × 1,382.56
  4. Step 4: Simplify right side
    1,563.56x = 2,967,271.70
  5. Step 5: Solve for x
    x = 2,967,271.70/1,563.56
  6. Step 6: Final answer
    x = 1,897.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.