Home / 1,517.58-2,093.65-1,120.19

Finding the Fourth Proportional to 1,517.58, 2,093.65 and 1,120.19

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Solution

The fourth proportional to 1,517.58, 2,093.65 and 1,120.19 is: 1,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.58 : 2,093.65 = 1,120.19 : x
  2. Step 2: Convert to fraction form
    1,517.58/2,093.65 = 1,120.19/x
  3. Step 3: Cross multiply
    1,517.58x = 2,093.65 × 1,120.19
  4. Step 4: Simplify right side
    1,517.58x = 2,345,272.52
  5. Step 5: Solve for x
    x = 2,345,272.52/1,517.58
  6. Step 6: Final answer
    x = 1,545.40

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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.