Home / 2,318.24-3,200.68-1,786.12

Finding the Fourth Proportional to 2,318.24, 3,200.68 and 1,786.12

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Solution

The fourth proportional to 2,318.24, 3,200.68 and 1,786.12 is: 2,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.24 : 3,200.68 = 1,786.12 : x
  2. Step 2: Convert to fraction form
    2,318.24/3,200.68 = 1,786.12/x
  3. Step 3: Cross multiply
    2,318.24x = 3,200.68 × 1,786.12
  4. Step 4: Simplify right side
    2,318.24x = 5,716,798.56
  5. Step 5: Solve for x
    x = 5,716,798.56/2,318.24
  6. Step 6: Final answer
    x = 2,466.01

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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.