Home / 2,106.81-3,146.24-2,083.93

Finding the Fourth Proportional to 2,106.81, 3,146.24 and 2,083.93

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Solution

The fourth proportional to 2,106.81, 3,146.24 and 2,083.93 is: 3,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.81 : 3,146.24 = 2,083.93 : x
  2. Step 2: Convert to fraction form
    2,106.81/3,146.24 = 2,083.93/x
  3. Step 3: Cross multiply
    2,106.81x = 3,146.24 × 2,083.93
  4. Step 4: Simplify right side
    2,106.81x = 6,556,541.27
  5. Step 5: Solve for x
    x = 6,556,541.27/2,106.81
  6. Step 6: Final answer
    x = 3,112.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.