Home / 2,666.92-3,680.82-1,673.05

Finding the Fourth Proportional to 2,666.92, 3,680.82 and 1,673.05

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Solution

The fourth proportional to 2,666.92, 3,680.82 and 1,673.05 is: 2,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.92 : 3,680.82 = 1,673.05 : x
  2. Step 2: Convert to fraction form
    2,666.92/3,680.82 = 1,673.05/x
  3. Step 3: Cross multiply
    2,666.92x = 3,680.82 × 1,673.05
  4. Step 4: Simplify right side
    2,666.92x = 6,158,195.90
  5. Step 5: Solve for x
    x = 6,158,195.90/2,666.92
  6. Step 6: Final answer
    x = 2,309.10

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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.