Home / 1,475.44-2,212.75-551.36

Finding the Fourth Proportional to 1,475.44, 2,212.75 and 551.36

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Solution

The fourth proportional to 1,475.44, 2,212.75 and 551.36 is: 826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.44 : 2,212.75 = 551.36 : x
  2. Step 2: Convert to fraction form
    1,475.44/2,212.75 = 551.36/x
  3. Step 3: Cross multiply
    1,475.44x = 2,212.75 × 551.36
  4. Step 4: Simplify right side
    1,475.44x = 1,220,028.06
  5. Step 5: Solve for x
    x = 1,220,028.06/1,475.44
  6. Step 6: Final answer
    x = 826.89

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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.