Home / 3,820.12-5,726.93-1,739.40

Finding the Fourth Proportional to 3,820.12, 5,726.93 and 1,739.40

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Solution

The fourth proportional to 3,820.12, 5,726.93 and 1,739.40 is: 2,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.12 : 5,726.93 = 1,739.40 : x
  2. Step 2: Convert to fraction form
    3,820.12/5,726.93 = 1,739.40/x
  3. Step 3: Cross multiply
    3,820.12x = 5,726.93 × 1,739.40
  4. Step 4: Simplify right side
    3,820.12x = 9,961,422.04
  5. Step 5: Solve for x
    x = 9,961,422.04/3,820.12
  6. Step 6: Final answer
    x = 2,607.62

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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.