Home / 3,809.40-5,263.62-2,932.77

Finding the Fourth Proportional to 3,809.40, 5,263.62 and 2,932.77

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Solution

The fourth proportional to 3,809.40, 5,263.62 and 2,932.77 is: 4,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.40 : 5,263.62 = 2,932.77 : x
  2. Step 2: Convert to fraction form
    3,809.40/5,263.62 = 2,932.77/x
  3. Step 3: Cross multiply
    3,809.40x = 5,263.62 × 2,932.77
  4. Step 4: Simplify right side
    3,809.40x = 15,436,986.83
  5. Step 5: Solve for x
    x = 15,436,986.83/3,809.40
  6. Step 6: Final answer
    x = 4,052.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.