Home / 2,256.70-3,107.79-2,116.07

Finding the Fourth Proportional to 2,256.70, 3,107.79 and 2,116.07

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Solution

The fourth proportional to 2,256.70, 3,107.79 and 2,116.07 is: 2,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.70 : 3,107.79 = 2,116.07 : x
  2. Step 2: Convert to fraction form
    2,256.70/3,107.79 = 2,116.07/x
  3. Step 3: Cross multiply
    2,256.70x = 3,107.79 × 2,116.07
  4. Step 4: Simplify right side
    2,256.70x = 6,576,285.65
  5. Step 5: Solve for x
    x = 6,576,285.65/2,256.70
  6. Step 6: Final answer
    x = 2,914.11

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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.