Home / 1,801.22-2,701.30-923.18

Finding the Fourth Proportional to 1,801.22, 2,701.30 and 923.18

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Solution

The fourth proportional to 1,801.22, 2,701.30 and 923.18 is: 1,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.22 : 2,701.30 = 923.18 : x
  2. Step 2: Convert to fraction form
    1,801.22/2,701.30 = 923.18/x
  3. Step 3: Cross multiply
    1,801.22x = 2,701.30 × 923.18
  4. Step 4: Simplify right side
    1,801.22x = 2,493,786.13
  5. Step 5: Solve for x
    x = 2,493,786.13/1,801.22
  6. Step 6: Final answer
    x = 1,384.50

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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.