Home / 3,103.31-4,283.66-2,055.71

Finding the Fourth Proportional to 3,103.31, 4,283.66 and 2,055.71

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Solution

The fourth proportional to 3,103.31, 4,283.66 and 2,055.71 is: 2,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.31 : 4,283.66 = 2,055.71 : x
  2. Step 2: Convert to fraction form
    3,103.31/4,283.66 = 2,055.71/x
  3. Step 3: Cross multiply
    3,103.31x = 4,283.66 × 2,055.71
  4. Step 4: Simplify right side
    3,103.31x = 8,805,946.42
  5. Step 5: Solve for x
    x = 8,805,946.42/3,103.31
  6. Step 6: Final answer
    x = 2,837.60

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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.