Home / 3,825.21-5,740.40-1,360.07

Finding the Fourth Proportional to 3,825.21, 5,740.40 and 1,360.07

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Solution

The fourth proportional to 3,825.21, 5,740.40 and 1,360.07 is: 2,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.21 : 5,740.40 = 1,360.07 : x
  2. Step 2: Convert to fraction form
    3,825.21/5,740.40 = 1,360.07/x
  3. Step 3: Cross multiply
    3,825.21x = 5,740.40 × 1,360.07
  4. Step 4: Simplify right side
    3,825.21x = 7,807,345.83
  5. Step 5: Solve for x
    x = 7,807,345.83/3,825.21
  6. Step 6: Final answer
    x = 2,041.02

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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.