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Finding the Fourth Proportional to 1,633.94, 2,449.08 and 902.52

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Solution

The fourth proportional to 1,633.94, 2,449.08 and 902.52 is: 1,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.94 : 2,449.08 = 902.52 : x
  2. Step 2: Convert to fraction form
    1,633.94/2,449.08 = 902.52/x
  3. Step 3: Cross multiply
    1,633.94x = 2,449.08 × 902.52
  4. Step 4: Simplify right side
    1,633.94x = 2,210,343.68
  5. Step 5: Solve for x
    x = 2,210,343.68/1,633.94
  6. Step 6: Final answer
    x = 1,352.77

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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.