Home / 2,784.51-4,177.62-1,485

Finding the Fourth Proportional to 2,784.51, 4,177.62 and 1,485

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Solution

The fourth proportional to 2,784.51, 4,177.62 and 1,485 is: 2,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.51 : 4,177.62 = 1,485 : x
  2. Step 2: Convert to fraction form
    2,784.51/4,177.62 = 1,485/x
  3. Step 3: Cross multiply
    2,784.51x = 4,177.62 × 1,485
  4. Step 4: Simplify right side
    2,784.51x = 6,203,765.70
  5. Step 5: Solve for x
    x = 6,203,765.70/2,784.51
  6. Step 6: Final answer
    x = 2,227.96

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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.