Home / 2,185.32-3,276.66-869.24

Finding the Fourth Proportional to 2,185.32, 3,276.66 and 869.24

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Solution

The fourth proportional to 2,185.32, 3,276.66 and 869.24 is: 1,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.32 : 3,276.66 = 869.24 : x
  2. Step 2: Convert to fraction form
    2,185.32/3,276.66 = 869.24/x
  3. Step 3: Cross multiply
    2,185.32x = 3,276.66 × 869.24
  4. Step 4: Simplify right side
    2,185.32x = 2,848,212.13
  5. Step 5: Solve for x
    x = 2,848,212.13/2,185.32
  6. Step 6: Final answer
    x = 1,303.34

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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.