Home / 2,177.29-3,003.73-1,292.93

Finding the Fourth Proportional to 2,177.29, 3,003.73 and 1,292.93

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Solution

The fourth proportional to 2,177.29, 3,003.73 and 1,292.93 is: 1,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.29 : 3,003.73 = 1,292.93 : x
  2. Step 2: Convert to fraction form
    2,177.29/3,003.73 = 1,292.93/x
  3. Step 3: Cross multiply
    2,177.29x = 3,003.73 × 1,292.93
  4. Step 4: Simplify right side
    2,177.29x = 3,883,605.64
  5. Step 5: Solve for x
    x = 3,883,605.64/2,177.29
  6. Step 6: Final answer
    x = 1,783.69

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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.