Home / 1,661.18-2,291.21-1,450.91

Finding the Fourth Proportional to 1,661.18, 2,291.21 and 1,450.91

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Solution

The fourth proportional to 1,661.18, 2,291.21 and 1,450.91 is: 2,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.18 : 2,291.21 = 1,450.91 : x
  2. Step 2: Convert to fraction form
    1,661.18/2,291.21 = 1,450.91/x
  3. Step 3: Cross multiply
    1,661.18x = 2,291.21 × 1,450.91
  4. Step 4: Simplify right side
    1,661.18x = 3,324,339.50
  5. Step 5: Solve for x
    x = 3,324,339.50/1,661.18
  6. Step 6: Final answer
    x = 2,001.19

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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.