Home / 1,724.59-2,379.99-1,166.14

Finding the Fourth Proportional to 1,724.59, 2,379.99 and 1,166.14

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Solution

The fourth proportional to 1,724.59, 2,379.99 and 1,166.14 is: 1,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.59 : 2,379.99 = 1,166.14 : x
  2. Step 2: Convert to fraction form
    1,724.59/2,379.99 = 1,166.14/x
  3. Step 3: Cross multiply
    1,724.59x = 2,379.99 × 1,166.14
  4. Step 4: Simplify right side
    1,724.59x = 2,775,401.54
  5. Step 5: Solve for x
    x = 2,775,401.54/1,724.59
  6. Step 6: Final answer
    x = 1,609.31

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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.