Home / 2,122.60-2,927.73-2,083.72

Finding the Fourth Proportional to 2,122.60, 2,927.73 and 2,083.72

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Solution

The fourth proportional to 2,122.60, 2,927.73 and 2,083.72 is: 2,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.60 : 2,927.73 = 2,083.72 : x
  2. Step 2: Convert to fraction form
    2,122.60/2,927.73 = 2,083.72/x
  3. Step 3: Cross multiply
    2,122.60x = 2,927.73 × 2,083.72
  4. Step 4: Simplify right side
    2,122.60x = 6,100,569.56
  5. Step 5: Solve for x
    x = 6,100,569.56/2,122.60
  6. Step 6: Final answer
    x = 2,874.10

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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.