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Finding the Fourth Proportional to 1,797.42, 2,480.68 and 1,011.62

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Solution

The fourth proportional to 1,797.42, 2,480.68 and 1,011.62 is: 1,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.42 : 2,480.68 = 1,011.62 : x
  2. Step 2: Convert to fraction form
    1,797.42/2,480.68 = 1,011.62/x
  3. Step 3: Cross multiply
    1,797.42x = 2,480.68 × 1,011.62
  4. Step 4: Simplify right side
    1,797.42x = 2,509,507.28
  5. Step 5: Solve for x
    x = 2,509,507.28/1,797.42
  6. Step 6: Final answer
    x = 1,396.17

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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.