Home / 1,724.06-2,380.34-1,165.82

Finding the Fourth Proportional to 1,724.06, 2,380.34 and 1,165.82

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Solution

The fourth proportional to 1,724.06, 2,380.34 and 1,165.82 is: 1,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.06 : 2,380.34 = 1,165.82 : x
  2. Step 2: Convert to fraction form
    1,724.06/2,380.34 = 1,165.82/x
  3. Step 3: Cross multiply
    1,724.06x = 2,380.34 × 1,165.82
  4. Step 4: Simplify right side
    1,724.06x = 2,775,039.13
  5. Step 5: Solve for x
    x = 2,775,039.13/1,724.06
  6. Step 6: Final answer
    x = 1,609.60

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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.