Home / 2,177.12-3,004.70-1,233.28

Finding the Fourth Proportional to 2,177.12, 3,004.70 and 1,233.28

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Solution

The fourth proportional to 2,177.12, 3,004.70 and 1,233.28 is: 1,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.12 : 3,004.70 = 1,233.28 : x
  2. Step 2: Convert to fraction form
    2,177.12/3,004.70 = 1,233.28/x
  3. Step 3: Cross multiply
    2,177.12x = 3,004.70 × 1,233.28
  4. Step 4: Simplify right side
    2,177.12x = 3,705,636.42
  5. Step 5: Solve for x
    x = 3,705,636.42/2,177.12
  6. Step 6: Final answer
    x = 1,702.08

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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.