Home / 1,448.77-2,162.66-1,273.61

Finding the Fourth Proportional to 1,448.77, 2,162.66 and 1,273.61

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Solution

The fourth proportional to 1,448.77, 2,162.66 and 1,273.61 is: 1,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.77 : 2,162.66 = 1,273.61 : x
  2. Step 2: Convert to fraction form
    1,448.77/2,162.66 = 1,273.61/x
  3. Step 3: Cross multiply
    1,448.77x = 2,162.66 × 1,273.61
  4. Step 4: Simplify right side
    1,448.77x = 2,754,379.03
  5. Step 5: Solve for x
    x = 2,754,379.03/1,448.77
  6. Step 6: Final answer
    x = 1,901.19

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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.