Home / 1,448.08-1,996.68-1,344.40

Finding the Fourth Proportional to 1,448.08, 1,996.68 and 1,344.40

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Solution

The fourth proportional to 1,448.08, 1,996.68 and 1,344.40 is: 1,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.08 : 1,996.68 = 1,344.40 : x
  2. Step 2: Convert to fraction form
    1,448.08/1,996.68 = 1,344.40/x
  3. Step 3: Cross multiply
    1,448.08x = 1,996.68 × 1,344.40
  4. Step 4: Simplify right side
    1,448.08x = 2,684,336.59
  5. Step 5: Solve for x
    x = 2,684,336.59/1,448.08
  6. Step 6: Final answer
    x = 1,853.72

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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.