Home / 1,448.08-2,161.88-1,229.44

Finding the Fourth Proportional to 1,448.08, 2,161.88 and 1,229.44

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Solution

The fourth proportional to 1,448.08, 2,161.88 and 1,229.44 is: 1,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.08 : 2,161.88 = 1,229.44 : x
  2. Step 2: Convert to fraction form
    1,448.08/2,161.88 = 1,229.44/x
  3. Step 3: Cross multiply
    1,448.08x = 2,161.88 × 1,229.44
  4. Step 4: Simplify right side
    1,448.08x = 2,657,901.75
  5. Step 5: Solve for x
    x = 2,657,901.75/1,448.08
  6. Step 6: Final answer
    x = 1,835.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.