Home / 2,767.30-3,823.73-2,212.35

Finding the Fourth Proportional to 2,767.30, 3,823.73 and 2,212.35

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Solution

The fourth proportional to 2,767.30, 3,823.73 and 2,212.35 is: 3,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.30 : 3,823.73 = 2,212.35 : x
  2. Step 2: Convert to fraction form
    2,767.30/3,823.73 = 2,212.35/x
  3. Step 3: Cross multiply
    2,767.30x = 3,823.73 × 2,212.35
  4. Step 4: Simplify right side
    2,767.30x = 8,459,429.07
  5. Step 5: Solve for x
    x = 8,459,429.07/2,767.30
  6. Step 6: Final answer
    x = 3,056.93

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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.