Home / 3,740.84-5,606.22-1,431.08

Finding the Fourth Proportional to 3,740.84, 5,606.22 and 1,431.08

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Solution

The fourth proportional to 3,740.84, 5,606.22 and 1,431.08 is: 2,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.84 : 5,606.22 = 1,431.08 : x
  2. Step 2: Convert to fraction form
    3,740.84/5,606.22 = 1,431.08/x
  3. Step 3: Cross multiply
    3,740.84x = 5,606.22 × 1,431.08
  4. Step 4: Simplify right side
    3,740.84x = 8,022,949.32
  5. Step 5: Solve for x
    x = 8,022,949.32/3,740.84
  6. Step 6: Final answer
    x = 2,144.69

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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.