Home / 1,448.52-2,162.28-1,273.36

Finding the Fourth Proportional to 1,448.52, 2,162.28 and 1,273.36

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Solution

The fourth proportional to 1,448.52, 2,162.28 and 1,273.36 is: 1,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.52 : 2,162.28 = 1,273.36 : x
  2. Step 2: Convert to fraction form
    1,448.52/2,162.28 = 1,273.36/x
  3. Step 3: Cross multiply
    1,448.52x = 2,162.28 × 1,273.36
  4. Step 4: Simplify right side
    1,448.52x = 2,753,364.04
  5. Step 5: Solve for x
    x = 2,753,364.04/1,448.52
  6. Step 6: Final answer
    x = 1,900.82

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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.