Home / 2,001.02-3,002.43-1,270.40

Finding the Fourth Proportional to 2,001.02, 3,002.43 and 1,270.40

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Solution

The fourth proportional to 2,001.02, 3,002.43 and 1,270.40 is: 1,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.02 : 3,002.43 = 1,270.40 : x
  2. Step 2: Convert to fraction form
    2,001.02/3,002.43 = 1,270.40/x
  3. Step 3: Cross multiply
    2,001.02x = 3,002.43 × 1,270.40
  4. Step 4: Simplify right side
    2,001.02x = 3,814,287.07
  5. Step 5: Solve for x
    x = 3,814,287.07/2,001.02
  6. Step 6: Final answer
    x = 1,906.17

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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.