Home / 2,318.04-3,198.78-1,323.36

Finding the Fourth Proportional to 2,318.04, 3,198.78 and 1,323.36

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Solution

The fourth proportional to 2,318.04, 3,198.78 and 1,323.36 is: 1,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.04 : 3,198.78 = 1,323.36 : x
  2. Step 2: Convert to fraction form
    2,318.04/3,198.78 = 1,323.36/x
  3. Step 3: Cross multiply
    2,318.04x = 3,198.78 × 1,323.36
  4. Step 4: Simplify right side
    2,318.04x = 4,233,137.50
  5. Step 5: Solve for x
    x = 4,233,137.50/2,318.04
  6. Step 6: Final answer
    x = 1,826.17

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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.