Home / 2,040.18-2,821.38-2,003.28

Finding the Fourth Proportional to 2,040.18, 2,821.38 and 2,003.28

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Solution

The fourth proportional to 2,040.18, 2,821.38 and 2,003.28 is: 2,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.18 : 2,821.38 = 2,003.28 : x
  2. Step 2: Convert to fraction form
    2,040.18/2,821.38 = 2,003.28/x
  3. Step 3: Cross multiply
    2,040.18x = 2,821.38 × 2,003.28
  4. Step 4: Simplify right side
    2,040.18x = 5,652,014.13
  5. Step 5: Solve for x
    x = 5,652,014.13/2,040.18
  6. Step 6: Final answer
    x = 2,770.35

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1.5x scale

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.