Home / 1,995.18-2,754.27-1,555.26

Finding the Fourth Proportional to 1,995.18, 2,754.27 and 1,555.26

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Solution

The fourth proportional to 1,995.18, 2,754.27 and 1,555.26 is: 2,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.18 : 2,754.27 = 1,555.26 : x
  2. Step 2: Convert to fraction form
    1,995.18/2,754.27 = 1,555.26/x
  3. Step 3: Cross multiply
    1,995.18x = 2,754.27 × 1,555.26
  4. Step 4: Simplify right side
    1,995.18x = 4,283,605.96
  5. Step 5: Solve for x
    x = 4,283,605.96/1,995.18
  6. Step 6: Final answer
    x = 2,146.98

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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.