Home / 1,724.88-2,585.34-1,175.70

Finding the Fourth Proportional to 1,724.88, 2,585.34 and 1,175.70

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Solution

The fourth proportional to 1,724.88, 2,585.34 and 1,175.70 is: 1,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.88 : 2,585.34 = 1,175.70 : x
  2. Step 2: Convert to fraction form
    1,724.88/2,585.34 = 1,175.70/x
  3. Step 3: Cross multiply
    1,724.88x = 2,585.34 × 1,175.70
  4. Step 4: Simplify right side
    1,724.88x = 3,039,584.24
  5. Step 5: Solve for x
    x = 3,039,584.24/1,724.88
  6. Step 6: Final answer
    x = 1,762.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.