Home / 2,318.16-3,199.43-1,323.75

Finding the Fourth Proportional to 2,318.16, 3,199.43 and 1,323.75

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Solution

The fourth proportional to 2,318.16, 3,199.43 and 1,323.75 is: 1,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.16 : 3,199.43 = 1,323.75 : x
  2. Step 2: Convert to fraction form
    2,318.16/3,199.43 = 1,323.75/x
  3. Step 3: Cross multiply
    2,318.16x = 3,199.43 × 1,323.75
  4. Step 4: Simplify right side
    2,318.16x = 4,235,238.84
  5. Step 5: Solve for x
    x = 4,235,238.84/2,318.16
  6. Step 6: Final answer
    x = 1,826.98

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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.