Home / 3,032.78-4,185.69-2,845.16

Finding the Fourth Proportional to 3,032.78, 4,185.69 and 2,845.16

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Solution

The fourth proportional to 3,032.78, 4,185.69 and 2,845.16 is: 3,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.78 : 4,185.69 = 2,845.16 : x
  2. Step 2: Convert to fraction form
    3,032.78/4,185.69 = 2,845.16/x
  3. Step 3: Cross multiply
    3,032.78x = 4,185.69 × 2,845.16
  4. Step 4: Simplify right side
    3,032.78x = 11,908,957.76
  5. Step 5: Solve for x
    x = 11,908,957.76/3,032.78
  6. Step 6: Final answer
    x = 3,926.75

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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.