Home / 1,818.21-2,730.96-1,774.47

Finding the Fourth Proportional to 1,818.21, 2,730.96 and 1,774.47

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Solution

The fourth proportional to 1,818.21, 2,730.96 and 1,774.47 is: 2,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.21 : 2,730.96 = 1,774.47 : x
  2. Step 2: Convert to fraction form
    1,818.21/2,730.96 = 1,774.47/x
  3. Step 3: Cross multiply
    1,818.21x = 2,730.96 × 1,774.47
  4. Step 4: Simplify right side
    1,818.21x = 4,846,006.59
  5. Step 5: Solve for x
    x = 4,846,006.59/1,818.21
  6. Step 6: Final answer
    x = 2,665.26

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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.