Home / 2,177.09-3,004.38-1,182.36

Finding the Fourth Proportional to 2,177.09, 3,004.38 and 1,182.36

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Solution

The fourth proportional to 2,177.09, 3,004.38 and 1,182.36 is: 1,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.09 : 3,004.38 = 1,182.36 : x
  2. Step 2: Convert to fraction form
    2,177.09/3,004.38 = 1,182.36/x
  3. Step 3: Cross multiply
    2,177.09x = 3,004.38 × 1,182.36
  4. Step 4: Simplify right side
    2,177.09x = 3,552,258.74
  5. Step 5: Solve for x
    x = 3,552,258.74/2,177.09
  6. Step 6: Final answer
    x = 1,631.66

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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.