Home / 1,448.02-1,996.62-1,370.20

Finding the Fourth Proportional to 1,448.02, 1,996.62 and 1,370.20

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Solution

The fourth proportional to 1,448.02, 1,996.62 and 1,370.20 is: 1,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.02 : 1,996.62 = 1,370.20 : x
  2. Step 2: Convert to fraction form
    1,448.02/1,996.62 = 1,370.20/x
  3. Step 3: Cross multiply
    1,448.02x = 1,996.62 × 1,370.20
  4. Step 4: Simplify right side
    1,448.02x = 2,735,768.72
  5. Step 5: Solve for x
    x = 2,735,768.72/1,448.02
  6. Step 6: Final answer
    x = 1,889.32

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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.