Home / 2,074.97-2,862.19-1,328.66

Finding the Fourth Proportional to 2,074.97, 2,862.19 and 1,328.66

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Solution

The fourth proportional to 2,074.97, 2,862.19 and 1,328.66 is: 1,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.97 : 2,862.19 = 1,328.66 : x
  2. Step 2: Convert to fraction form
    2,074.97/2,862.19 = 1,328.66/x
  3. Step 3: Cross multiply
    2,074.97x = 2,862.19 × 1,328.66
  4. Step 4: Simplify right side
    2,074.97x = 3,802,877.37
  5. Step 5: Solve for x
    x = 3,802,877.37/2,074.97
  6. Step 6: Final answer
    x = 1,832.74

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1.5x scale

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.