Home / 1,669.56-2,503.62-1,228.14

Finding the Fourth Proportional to 1,669.56, 2,503.62 and 1,228.14

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Solution

The fourth proportional to 1,669.56, 2,503.62 and 1,228.14 is: 1,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.56 : 2,503.62 = 1,228.14 : x
  2. Step 2: Convert to fraction form
    1,669.56/2,503.62 = 1,228.14/x
  3. Step 3: Cross multiply
    1,669.56x = 2,503.62 × 1,228.14
  4. Step 4: Simplify right side
    1,669.56x = 3,074,795.87
  5. Step 5: Solve for x
    x = 3,074,795.87/1,669.56
  6. Step 6: Final answer
    x = 1,841.68

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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.