Home / 1,631.96-2,252.26-933.56

Finding the Fourth Proportional to 1,631.96, 2,252.26 and 933.56

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Solution

The fourth proportional to 1,631.96, 2,252.26 and 933.56 is: 1,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.96 : 2,252.26 = 933.56 : x
  2. Step 2: Convert to fraction form
    1,631.96/2,252.26 = 933.56/x
  3. Step 3: Cross multiply
    1,631.96x = 2,252.26 × 933.56
  4. Step 4: Simplify right side
    1,631.96x = 2,102,619.85
  5. Step 5: Solve for x
    x = 2,102,619.85/1,631.96
  6. Step 6: Final answer
    x = 1,288.40

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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.