Home / 3,040.97-4,185.68-2,155.23

Finding the Fourth Proportional to 3,040.97, 4,185.68 and 2,155.23

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Solution

The fourth proportional to 3,040.97, 4,185.68 and 2,155.23 is: 2,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.97 : 4,185.68 = 2,155.23 : x
  2. Step 2: Convert to fraction form
    3,040.97/4,185.68 = 2,155.23/x
  3. Step 3: Cross multiply
    3,040.97x = 4,185.68 × 2,155.23
  4. Step 4: Simplify right side
    3,040.97x = 9,021,092.33
  5. Step 5: Solve for x
    x = 9,021,092.33/3,040.97
  6. Step 6: Final answer
    x = 2,966.52

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,041.97, 4,187.05 and 2,156.23
Similar ratio
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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.