Home / 1,649.09-2,471.81-1,454.28

Finding the Fourth Proportional to 1,649.09, 2,471.81 and 1,454.28

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Solution

The fourth proportional to 1,649.09, 2,471.81 and 1,454.28 is: 2,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.09 : 2,471.81 = 1,454.28 : x
  2. Step 2: Convert to fraction form
    1,649.09/2,471.81 = 1,454.28/x
  3. Step 3: Cross multiply
    1,649.09x = 2,471.81 × 1,454.28
  4. Step 4: Simplify right side
    1,649.09x = 3,594,696.58
  5. Step 5: Solve for x
    x = 3,594,696.58/1,649.09
  6. Step 6: Final answer
    x = 2,179.81

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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.