Home / 1,722.28-2,583.69-567.76

Finding the Fourth Proportional to 1,722.28, 2,583.69 and 567.76

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Solution

The fourth proportional to 1,722.28, 2,583.69 and 567.76 is: 851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.28 : 2,583.69 = 567.76 : x
  2. Step 2: Convert to fraction form
    1,722.28/2,583.69 = 567.76/x
  3. Step 3: Cross multiply
    1,722.28x = 2,583.69 × 567.76
  4. Step 4: Simplify right side
    1,722.28x = 1,466,915.83
  5. Step 5: Solve for x
    x = 1,466,915.83/1,722.28
  6. Step 6: Final answer
    x = 851.73

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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.