Home / 2,318.10-3,198.98-1,323.35

Finding the Fourth Proportional to 2,318.10, 3,198.98 and 1,323.35

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Solution

The fourth proportional to 2,318.10, 3,198.98 and 1,323.35 is: 1,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.10 : 3,198.98 = 1,323.35 : x
  2. Step 2: Convert to fraction form
    2,318.10/3,198.98 = 1,323.35/x
  3. Step 3: Cross multiply
    2,318.10x = 3,198.98 × 1,323.35
  4. Step 4: Simplify right side
    2,318.10x = 4,233,380.04
  5. Step 5: Solve for x
    x = 4,233,380.04/2,318.10
  6. Step 6: Final answer
    x = 1,826.23

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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.