Home / 1,818.24-2,506.53-1,445.37

Finding the Fourth Proportional to 1,818.24, 2,506.53 and 1,445.37

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Solution

The fourth proportional to 1,818.24, 2,506.53 and 1,445.37 is: 1,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.24 : 2,506.53 = 1,445.37 : x
  2. Step 2: Convert to fraction form
    1,818.24/2,506.53 = 1,445.37/x
  3. Step 3: Cross multiply
    1,818.24x = 2,506.53 × 1,445.37
  4. Step 4: Simplify right side
    1,818.24x = 3,622,865.26
  5. Step 5: Solve for x
    x = 3,622,865.26/1,818.24
  6. Step 6: Final answer
    x = 1,992.51

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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.