Home / 1,221.37-1,832.09-1,046.95

Finding the Fourth Proportional to 1,221.37, 1,832.09 and 1,046.95

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Solution

The fourth proportional to 1,221.37, 1,832.09 and 1,046.95 is: 1,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221.37 : 1,832.09 = 1,046.95 : x
  2. Step 2: Convert to fraction form
    1,221.37/1,832.09 = 1,046.95/x
  3. Step 3: Cross multiply
    1,221.37x = 1,832.09 × 1,046.95
  4. Step 4: Simplify right side
    1,221.37x = 1,918,096.81
  5. Step 5: Solve for x
    x = 1,918,096.81/1,221.37
  6. Step 6: Final answer
    x = 1,570.45

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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.