Home / 2,177.16-3,004.74-1,293.45

Finding the Fourth Proportional to 2,177.16, 3,004.74 and 1,293.45

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Solution

The fourth proportional to 2,177.16, 3,004.74 and 1,293.45 is: 1,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.16 : 3,004.74 = 1,293.45 : x
  2. Step 2: Convert to fraction form
    2,177.16/3,004.74 = 1,293.45/x
  3. Step 3: Cross multiply
    2,177.16x = 3,004.74 × 1,293.45
  4. Step 4: Simplify right side
    2,177.16x = 3,886,480.95
  5. Step 5: Solve for x
    x = 3,886,480.95/2,177.16
  6. Step 6: Final answer
    x = 1,785.11

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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.