Home / 1,893.09-2,612.39-1,053.75

Finding the Fourth Proportional to 1,893.09, 2,612.39 and 1,053.75

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Solution

The fourth proportional to 1,893.09, 2,612.39 and 1,053.75 is: 1,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.09 : 2,612.39 = 1,053.75 : x
  2. Step 2: Convert to fraction form
    1,893.09/2,612.39 = 1,053.75/x
  3. Step 3: Cross multiply
    1,893.09x = 2,612.39 × 1,053.75
  4. Step 4: Simplify right side
    1,893.09x = 2,752,800.69
  5. Step 5: Solve for x
    x = 2,752,800.69/1,893.09
  6. Step 6: Final answer
    x = 1,454.13

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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.