Home / 1,827.18-2,520.84-1,198.05

Finding the Fourth Proportional to 1,827.18, 2,520.84 and 1,198.05

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Solution

The fourth proportional to 1,827.18, 2,520.84 and 1,198.05 is: 1,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.18 : 2,520.84 = 1,198.05 : x
  2. Step 2: Convert to fraction form
    1,827.18/2,520.84 = 1,198.05/x
  3. Step 3: Cross multiply
    1,827.18x = 2,520.84 × 1,198.05
  4. Step 4: Simplify right side
    1,827.18x = 3,020,092.36
  5. Step 5: Solve for x
    x = 3,020,092.36/1,827.18
  6. Step 6: Final answer
    x = 1,652.87

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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.