Home / 3,840.90-5,756.03-2,803.29

Finding the Fourth Proportional to 3,840.90, 5,756.03 and 2,803.29

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Solution

The fourth proportional to 3,840.90, 5,756.03 and 2,803.29 is: 4,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.90 : 5,756.03 = 2,803.29 : x
  2. Step 2: Convert to fraction form
    3,840.90/5,756.03 = 2,803.29/x
  3. Step 3: Cross multiply
    3,840.90x = 5,756.03 × 2,803.29
  4. Step 4: Simplify right side
    3,840.90x = 16,135,807.32
  5. Step 5: Solve for x
    x = 16,135,807.32/3,840.90
  6. Step 6: Final answer
    x = 4,201.05

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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.