Home / 2,177.43-3,004.89-1,245.93

Finding the Fourth Proportional to 2,177.43, 3,004.89 and 1,245.93

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Solution

The fourth proportional to 2,177.43, 3,004.89 and 1,245.93 is: 1,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.43 : 3,004.89 = 1,245.93 : x
  2. Step 2: Convert to fraction form
    2,177.43/3,004.89 = 1,245.93/x
  3. Step 3: Cross multiply
    2,177.43x = 3,004.89 × 1,245.93
  4. Step 4: Simplify right side
    2,177.43x = 3,743,882.60
  5. Step 5: Solve for x
    x = 3,743,882.60/2,177.43
  6. Step 6: Final answer
    x = 1,719.40

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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.