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Finding the Fourth Proportional to 2,122.63, 3,184.03 and 583.63

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Solution

The fourth proportional to 2,122.63, 3,184.03 and 583.63 is: 875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.63 : 3,184.03 = 583.63 : x
  2. Step 2: Convert to fraction form
    2,122.63/3,184.03 = 583.63/x
  3. Step 3: Cross multiply
    2,122.63x = 3,184.03 × 583.63
  4. Step 4: Simplify right side
    2,122.63x = 1,858,295.43
  5. Step 5: Solve for x
    x = 1,858,295.43/2,122.63
  6. Step 6: Final answer
    x = 875.47

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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.