Home / 1,811.19-2,498.94-1,025.22

Finding the Fourth Proportional to 1,811.19, 2,498.94 and 1,025.22

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Solution

The fourth proportional to 1,811.19, 2,498.94 and 1,025.22 is: 1,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.19 : 2,498.94 = 1,025.22 : x
  2. Step 2: Convert to fraction form
    1,811.19/2,498.94 = 1,025.22/x
  3. Step 3: Cross multiply
    1,811.19x = 2,498.94 × 1,025.22
  4. Step 4: Simplify right side
    1,811.19x = 2,561,963.27
  5. Step 5: Solve for x
    x = 2,561,963.27/1,811.19
  6. Step 6: Final answer
    x = 1,414.52

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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.