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Finding the Fourth Proportional to 3,802.68, 5,699.52 and 1,850.40

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Solution

The fourth proportional to 3,802.68, 5,699.52 and 1,850.40 is: 2,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.68 : 5,699.52 = 1,850.40 : x
  2. Step 2: Convert to fraction form
    3,802.68/5,699.52 = 1,850.40/x
  3. Step 3: Cross multiply
    3,802.68x = 5,699.52 × 1,850.40
  4. Step 4: Simplify right side
    3,802.68x = 10,546,391.81
  5. Step 5: Solve for x
    x = 10,546,391.81/3,802.68
  6. Step 6: Final answer
    x = 2,773.41

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1.5x scale

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.