Home / 2,113.48-3,154.82-1,940.14

Finding the Fourth Proportional to 2,113.48, 3,154.82 and 1,940.14

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Solution

The fourth proportional to 2,113.48, 3,154.82 and 1,940.14 is: 2,896.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.48 : 3,154.82 = 1,940.14 : x
  2. Step 2: Convert to fraction form
    2,113.48/3,154.82 = 1,940.14/x
  3. Step 3: Cross multiply
    2,113.48x = 3,154.82 × 1,940.14
  4. Step 4: Simplify right side
    2,113.48x = 6,120,792.47
  5. Step 5: Solve for x
    x = 6,120,792.47/2,113.48
  6. Step 6: Final answer
    x = 2,896.07

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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.