Home / 1,348.99-1,862.66-1,055.09

Finding the Fourth Proportional to 1,348.99, 1,862.66 and 1,055.09

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Solution

The fourth proportional to 1,348.99, 1,862.66 and 1,055.09 is: 1,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.99 : 1,862.66 = 1,055.09 : x
  2. Step 2: Convert to fraction form
    1,348.99/1,862.66 = 1,055.09/x
  3. Step 3: Cross multiply
    1,348.99x = 1,862.66 × 1,055.09
  4. Step 4: Simplify right side
    1,348.99x = 1,965,268.66
  5. Step 5: Solve for x
    x = 1,965,268.66/1,348.99
  6. Step 6: Final answer
    x = 1,456.85

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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.