Home / 1,722.85-2,584.50-552.46

Finding the Fourth Proportional to 1,722.85, 2,584.50 and 552.46

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Solution

The fourth proportional to 1,722.85, 2,584.50 and 552.46 is: 828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.85 : 2,584.50 = 552.46 : x
  2. Step 2: Convert to fraction form
    1,722.85/2,584.50 = 552.46/x
  3. Step 3: Cross multiply
    1,722.85x = 2,584.50 × 552.46
  4. Step 4: Simplify right side
    1,722.85x = 1,427,830.11
  5. Step 5: Solve for x
    x = 1,427,830.11/1,722.85
  6. Step 6: Final answer
    x = 828.76

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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.