Home / 1,633.11-2,449.65-1,148.32

Finding the Fourth Proportional to 1,633.11, 2,449.65 and 1,148.32

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Solution

The fourth proportional to 1,633.11, 2,449.65 and 1,148.32 is: 1,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.11 : 2,449.65 = 1,148.32 : x
  2. Step 2: Convert to fraction form
    1,633.11/2,449.65 = 1,148.32/x
  3. Step 3: Cross multiply
    1,633.11x = 2,449.65 × 1,148.32
  4. Step 4: Simplify right side
    1,633.11x = 2,812,982.09
  5. Step 5: Solve for x
    x = 2,812,982.09/1,633.11
  6. Step 6: Final answer
    x = 1,722.47

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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.