Home / 1,880.82-2,593.08-1,438.02

Finding the Fourth Proportional to 1,880.82, 2,593.08 and 1,438.02

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Solution

The fourth proportional to 1,880.82, 2,593.08 and 1,438.02 is: 1,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.82 : 2,593.08 = 1,438.02 : x
  2. Step 2: Convert to fraction form
    1,880.82/2,593.08 = 1,438.02/x
  3. Step 3: Cross multiply
    1,880.82x = 2,593.08 × 1,438.02
  4. Step 4: Simplify right side
    1,880.82x = 3,728,900.90
  5. Step 5: Solve for x
    x = 3,728,900.90/1,880.82
  6. Step 6: Final answer
    x = 1,982.59

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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.