Home / 3,825.12-5,739.30-1,877.34

Finding the Fourth Proportional to 3,825.12, 5,739.30 and 1,877.34

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Solution

The fourth proportional to 3,825.12, 5,739.30 and 1,877.34 is: 2,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.12 : 5,739.30 = 1,877.34 : x
  2. Step 2: Convert to fraction form
    3,825.12/5,739.30 = 1,877.34/x
  3. Step 3: Cross multiply
    3,825.12x = 5,739.30 × 1,877.34
  4. Step 4: Simplify right side
    3,825.12x = 10,774,617.46
  5. Step 5: Solve for x
    x = 10,774,617.46/3,825.12
  6. Step 6: Final answer
    x = 2,816.81

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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.