Home / 2,750.45-3,794.96-1,555.46

Finding the Fourth Proportional to 2,750.45, 3,794.96 and 1,555.46

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Solution

The fourth proportional to 2,750.45, 3,794.96 and 1,555.46 is: 2,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.45 : 3,794.96 = 1,555.46 : x
  2. Step 2: Convert to fraction form
    2,750.45/3,794.96 = 1,555.46/x
  3. Step 3: Cross multiply
    2,750.45x = 3,794.96 × 1,555.46
  4. Step 4: Simplify right side
    2,750.45x = 5,902,908.48
  5. Step 5: Solve for x
    x = 5,902,908.48/2,750.45
  6. Step 6: Final answer
    x = 2,146.16

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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.