Home / 2,829.32-3,906.75-1,768.32

Finding the Fourth Proportional to 2,829.32, 3,906.75 and 1,768.32

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Solution

The fourth proportional to 2,829.32, 3,906.75 and 1,768.32 is: 2,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.32 : 3,906.75 = 1,768.32 : x
  2. Step 2: Convert to fraction form
    2,829.32/3,906.75 = 1,768.32/x
  3. Step 3: Cross multiply
    2,829.32x = 3,906.75 × 1,768.32
  4. Step 4: Simplify right side
    2,829.32x = 6,908,384.16
  5. Step 5: Solve for x
    x = 6,908,384.16/2,829.32
  6. Step 6: Final answer
    x = 2,441.72

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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.