Home / 1,722.57-2,579.28-1,373.58

Finding the Fourth Proportional to 1,722.57, 2,579.28 and 1,373.58

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Solution

The fourth proportional to 1,722.57, 2,579.28 and 1,373.58 is: 2,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.57 : 2,579.28 = 1,373.58 : x
  2. Step 2: Convert to fraction form
    1,722.57/2,579.28 = 1,373.58/x
  3. Step 3: Cross multiply
    1,722.57x = 2,579.28 × 1,373.58
  4. Step 4: Simplify right side
    1,722.57x = 3,542,847.42
  5. Step 5: Solve for x
    x = 3,542,847.42/1,722.57
  6. Step 6: Final answer
    x = 2,056.72

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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.