Home / 1,669.62-2,303.01-1,006.68

Finding the Fourth Proportional to 1,669.62, 2,303.01 and 1,006.68

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Solution

The fourth proportional to 1,669.62, 2,303.01 and 1,006.68 is: 1,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.62 : 2,303.01 = 1,006.68 : x
  2. Step 2: Convert to fraction form
    1,669.62/2,303.01 = 1,006.68/x
  3. Step 3: Cross multiply
    1,669.62x = 2,303.01 × 1,006.68
  4. Step 4: Simplify right side
    1,669.62x = 2,318,394.11
  5. Step 5: Solve for x
    x = 2,318,394.11/1,669.62
  6. Step 6: Final answer
    x = 1,388.58

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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.