Home / 1,722.87-2,583.70-552.83

Finding the Fourth Proportional to 1,722.87, 2,583.70 and 552.83

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Solution

The fourth proportional to 1,722.87, 2,583.70 and 552.83 is: 829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.87 : 2,583.70 = 552.83 : x
  2. Step 2: Convert to fraction form
    1,722.87/2,583.70 = 552.83/x
  3. Step 3: Cross multiply
    1,722.87x = 2,583.70 × 552.83
  4. Step 4: Simplify right side
    1,722.87x = 1,428,332.57
  5. Step 5: Solve for x
    x = 1,428,332.57/1,722.87
  6. Step 6: Final answer
    x = 829.04

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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.