Home / 3,040.15-4,192.83-2,097.45

Finding the Fourth Proportional to 3,040.15, 4,192.83 and 2,097.45

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Solution

The fourth proportional to 3,040.15, 4,192.83 and 2,097.45 is: 2,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.15 : 4,192.83 = 2,097.45 : x
  2. Step 2: Convert to fraction form
    3,040.15/4,192.83 = 2,097.45/x
  3. Step 3: Cross multiply
    3,040.15x = 4,192.83 × 2,097.45
  4. Step 4: Simplify right side
    3,040.15x = 8,794,251.28
  5. Step 5: Solve for x
    x = 8,794,251.28/3,040.15
  6. Step 6: Final answer
    x = 2,892.70

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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.