Home / 2,932.45-4,046.79-1,606.21

Finding the Fourth Proportional to 2,932.45, 4,046.79 and 1,606.21

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Solution

The fourth proportional to 2,932.45, 4,046.79 and 1,606.21 is: 2,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.45 : 4,046.79 = 1,606.21 : x
  2. Step 2: Convert to fraction form
    2,932.45/4,046.79 = 1,606.21/x
  3. Step 3: Cross multiply
    2,932.45x = 4,046.79 × 1,606.21
  4. Step 4: Simplify right side
    2,932.45x = 6,499,994.57
  5. Step 5: Solve for x
    x = 6,499,994.57/2,932.45
  6. Step 6: Final answer
    x = 2,216.57

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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.