Home / 1,445.73-2,170.43-1,369.19

Finding the Fourth Proportional to 1,445.73, 2,170.43 and 1,369.19

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Solution

The fourth proportional to 1,445.73, 2,170.43 and 1,369.19 is: 2,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.73 : 2,170.43 = 1,369.19 : x
  2. Step 2: Convert to fraction form
    1,445.73/2,170.43 = 1,369.19/x
  3. Step 3: Cross multiply
    1,445.73x = 2,170.43 × 1,369.19
  4. Step 4: Simplify right side
    1,445.73x = 2,971,724.21
  5. Step 5: Solve for x
    x = 2,971,724.21/1,445.73
  6. Step 6: Final answer
    x = 2,055.52

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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.