Home / 2,265.98-3,128.63-2,016.90

Finding the Fourth Proportional to 2,265.98, 3,128.63 and 2,016.90

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Solution

The fourth proportional to 2,265.98, 3,128.63 and 2,016.90 is: 2,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.98 : 3,128.63 = 2,016.90 : x
  2. Step 2: Convert to fraction form
    2,265.98/3,128.63 = 2,016.90/x
  3. Step 3: Cross multiply
    2,265.98x = 3,128.63 × 2,016.90
  4. Step 4: Simplify right side
    2,265.98x = 6,310,123.76
  5. Step 5: Solve for x
    x = 6,310,123.76/2,265.98
  6. Step 6: Final answer
    x = 2,784.73

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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.