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Finding the Fourth Proportional to 3,505.84, 5,259.71 and 1,840.07

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Solution

The fourth proportional to 3,505.84, 5,259.71 and 1,840.07 is: 2,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.84 : 5,259.71 = 1,840.07 : x
  2. Step 2: Convert to fraction form
    3,505.84/5,259.71 = 1,840.07/x
  3. Step 3: Cross multiply
    3,505.84x = 5,259.71 × 1,840.07
  4. Step 4: Simplify right side
    3,505.84x = 9,678,234.58
  5. Step 5: Solve for x
    x = 9,678,234.58/3,505.84
  6. Step 6: Final answer
    x = 2,760.60

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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.