Home / 1,863.05-2,570.95-1,055.43

Finding the Fourth Proportional to 1,863.05, 2,570.95 and 1,055.43

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Solution

The fourth proportional to 1,863.05, 2,570.95 and 1,055.43 is: 1,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.05 : 2,570.95 = 1,055.43 : x
  2. Step 2: Convert to fraction form
    1,863.05/2,570.95 = 1,055.43/x
  3. Step 3: Cross multiply
    1,863.05x = 2,570.95 × 1,055.43
  4. Step 4: Simplify right side
    1,863.05x = 2,713,453.33
  5. Step 5: Solve for x
    x = 2,713,453.33/1,863.05
  6. Step 6: Final answer
    x = 1,456.46

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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.