Home / 1,680.50-2,320.16-1,083.23

Finding the Fourth Proportional to 1,680.50, 2,320.16 and 1,083.23

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Solution

The fourth proportional to 1,680.50, 2,320.16 and 1,083.23 is: 1,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.50 : 2,320.16 = 1,083.23 : x
  2. Step 2: Convert to fraction form
    1,680.50/2,320.16 = 1,083.23/x
  3. Step 3: Cross multiply
    1,680.50x = 2,320.16 × 1,083.23
  4. Step 4: Simplify right side
    1,680.50x = 2,513,249.90
  5. Step 5: Solve for x
    x = 2,513,249.90/1,680.50
  6. Step 6: Final answer
    x = 1,495.54

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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.