Home / 1,881.80-2,596.32-1,095.68

Finding the Fourth Proportional to 1,881.80, 2,596.32 and 1,095.68

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Solution

The fourth proportional to 1,881.80, 2,596.32 and 1,095.68 is: 1,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.80 : 2,596.32 = 1,095.68 : x
  2. Step 2: Convert to fraction form
    1,881.80/2,596.32 = 1,095.68/x
  3. Step 3: Cross multiply
    1,881.80x = 2,596.32 × 1,095.68
  4. Step 4: Simplify right side
    1,881.80x = 2,844,735.90
  5. Step 5: Solve for x
    x = 2,844,735.90/1,881.80
  6. Step 6: Final answer
    x = 1,511.71

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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.