Home / 2,177.67-3,005.01-1,281.27

Finding the Fourth Proportional to 2,177.67, 3,005.01 and 1,281.27

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Solution

The fourth proportional to 2,177.67, 3,005.01 and 1,281.27 is: 1,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.67 : 3,005.01 = 1,281.27 : x
  2. Step 2: Convert to fraction form
    2,177.67/3,005.01 = 1,281.27/x
  3. Step 3: Cross multiply
    2,177.67x = 3,005.01 × 1,281.27
  4. Step 4: Simplify right side
    2,177.67x = 3,850,210.45
  5. Step 5: Solve for x
    x = 3,850,210.45/2,177.67
  6. Step 6: Final answer
    x = 1,768.04

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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.