Home / 1,237.21-1,864.18-1,104.58

Finding the Fourth Proportional to 1,237.21, 1,864.18 and 1,104.58

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Solution

The fourth proportional to 1,237.21, 1,864.18 and 1,104.58 is: 1,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.21 : 1,864.18 = 1,104.58 : x
  2. Step 2: Convert to fraction form
    1,237.21/1,864.18 = 1,104.58/x
  3. Step 3: Cross multiply
    1,237.21x = 1,864.18 × 1,104.58
  4. Step 4: Simplify right side
    1,237.21x = 2,059,135.94
  5. Step 5: Solve for x
    x = 2,059,135.94/1,237.21
  6. Step 6: Final answer
    x = 1,664.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.