Home / 2,112.48-3,150.90-2,047.68

Finding the Fourth Proportional to 2,112.48, 3,150.90 and 2,047.68

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Solution

The fourth proportional to 2,112.48, 3,150.90 and 2,047.68 is: 3,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.48 : 3,150.90 = 2,047.68 : x
  2. Step 2: Convert to fraction form
    2,112.48/3,150.90 = 2,047.68/x
  3. Step 3: Cross multiply
    2,112.48x = 3,150.90 × 2,047.68
  4. Step 4: Simplify right side
    2,112.48x = 6,452,034.91
  5. Step 5: Solve for x
    x = 6,452,034.91/2,112.48
  6. Step 6: Final answer
    x = 3,054.25

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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.