Home / 1,669.35-2,303.62-1,006.06

Finding the Fourth Proportional to 1,669.35, 2,303.62 and 1,006.06

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Solution

The fourth proportional to 1,669.35, 2,303.62 and 1,006.06 is: 1,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.35 : 2,303.62 = 1,006.06 : x
  2. Step 2: Convert to fraction form
    1,669.35/2,303.62 = 1,006.06/x
  3. Step 3: Cross multiply
    1,669.35x = 2,303.62 × 1,006.06
  4. Step 4: Simplify right side
    1,669.35x = 2,317,579.94
  5. Step 5: Solve for x
    x = 2,317,579.94/1,669.35
  6. Step 6: Final answer
    x = 1,388.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.