Home / 1,669.16-2,506.31-1,412.53

Finding the Fourth Proportional to 1,669.16, 2,506.31 and 1,412.53

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Solution

The fourth proportional to 1,669.16, 2,506.31 and 1,412.53 is: 2,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.16 : 2,506.31 = 1,412.53 : x
  2. Step 2: Convert to fraction form
    1,669.16/2,506.31 = 1,412.53/x
  3. Step 3: Cross multiply
    1,669.16x = 2,506.31 × 1,412.53
  4. Step 4: Simplify right side
    1,669.16x = 3,540,238.06
  5. Step 5: Solve for x
    x = 3,540,238.06/1,669.16
  6. Step 6: Final answer
    x = 2,120.97

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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.