Home / 1,724.83-2,584.13-1,139.09

Finding the Fourth Proportional to 1,724.83, 2,584.13 and 1,139.09

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Solution

The fourth proportional to 1,724.83, 2,584.13 and 1,139.09 is: 1,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.83 : 2,584.13 = 1,139.09 : x
  2. Step 2: Convert to fraction form
    1,724.83/2,584.13 = 1,139.09/x
  3. Step 3: Cross multiply
    1,724.83x = 2,584.13 × 1,139.09
  4. Step 4: Simplify right side
    1,724.83x = 2,943,538.03
  5. Step 5: Solve for x
    x = 2,943,538.03/1,724.83
  6. Step 6: Final answer
    x = 1,706.57

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1.5x scale

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.