Home / 2,181.62-3,010.93-2,113.62

Finding the Fourth Proportional to 2,181.62, 3,010.93 and 2,113.62

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Solution

The fourth proportional to 2,181.62, 3,010.93 and 2,113.62 is: 2,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.62 : 3,010.93 = 2,113.62 : x
  2. Step 2: Convert to fraction form
    2,181.62/3,010.93 = 2,113.62/x
  3. Step 3: Cross multiply
    2,181.62x = 3,010.93 × 2,113.62
  4. Step 4: Simplify right side
    2,181.62x = 6,363,961.87
  5. Step 5: Solve for x
    x = 6,363,961.87/2,181.62
  6. Step 6: Final answer
    x = 2,917.08

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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.