Home / 2,179.66-3,008.40-1,341.07

Finding the Fourth Proportional to 2,179.66, 3,008.40 and 1,341.07

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Solution

The fourth proportional to 2,179.66, 3,008.40 and 1,341.07 is: 1,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.66 : 3,008.40 = 1,341.07 : x
  2. Step 2: Convert to fraction form
    2,179.66/3,008.40 = 1,341.07/x
  3. Step 3: Cross multiply
    2,179.66x = 3,008.40 × 1,341.07
  4. Step 4: Simplify right side
    2,179.66x = 4,034,474.99
  5. Step 5: Solve for x
    x = 4,034,474.99/2,179.66
  6. Step 6: Final answer
    x = 1,850.97

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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.