Home / 1,922.85-2,653.66-1,083.63

Finding the Fourth Proportional to 1,922.85, 2,653.66 and 1,083.63

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Solution

The fourth proportional to 1,922.85, 2,653.66 and 1,083.63 is: 1,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.85 : 2,653.66 = 1,083.63 : x
  2. Step 2: Convert to fraction form
    1,922.85/2,653.66 = 1,083.63/x
  3. Step 3: Cross multiply
    1,922.85x = 2,653.66 × 1,083.63
  4. Step 4: Simplify right side
    1,922.85x = 2,875,585.59
  5. Step 5: Solve for x
    x = 2,875,585.59/1,922.85
  6. Step 6: Final answer
    x = 1,495.48

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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.