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Finding the Fourth Proportional to 1,797.76, 2,480.78 and 1,001.06

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Solution

The fourth proportional to 1,797.76, 2,480.78 and 1,001.06 is: 1,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.76 : 2,480.78 = 1,001.06 : x
  2. Step 2: Convert to fraction form
    1,797.76/2,480.78 = 1,001.06/x
  3. Step 3: Cross multiply
    1,797.76x = 2,480.78 × 1,001.06
  4. Step 4: Simplify right side
    1,797.76x = 2,483,392.22
  5. Step 5: Solve for x
    x = 2,483,392.22/1,797.76
  6. Step 6: Final answer
    x = 1,381.39

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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.