Home / 3,191.32-4,786.99-1,548.11

Finding the Fourth Proportional to 3,191.32, 4,786.99 and 1,548.11

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Solution

The fourth proportional to 3,191.32, 4,786.99 and 1,548.11 is: 2,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.32 : 4,786.99 = 1,548.11 : x
  2. Step 2: Convert to fraction form
    3,191.32/4,786.99 = 1,548.11/x
  3. Step 3: Cross multiply
    3,191.32x = 4,786.99 × 1,548.11
  4. Step 4: Simplify right side
    3,191.32x = 7,410,795.19
  5. Step 5: Solve for x
    x = 7,410,795.19/3,191.32
  6. Step 6: Final answer
    x = 2,322.17

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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.