Home / 2,782.35-4,165.32-2,055.17

Finding the Fourth Proportional to 2,782.35, 4,165.32 and 2,055.17

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Solution

The fourth proportional to 2,782.35, 4,165.32 and 2,055.17 is: 3,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.35 : 4,165.32 = 2,055.17 : x
  2. Step 2: Convert to fraction form
    2,782.35/4,165.32 = 2,055.17/x
  3. Step 3: Cross multiply
    2,782.35x = 4,165.32 × 2,055.17
  4. Step 4: Simplify right side
    2,782.35x = 8,560,458.82
  5. Step 5: Solve for x
    x = 8,560,458.82/2,782.35
  6. Step 6: Final answer
    x = 3,076.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.