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Finding the Fourth Proportional to 1,683.35, 2,525.24 and 572.96

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Solution

The fourth proportional to 1,683.35, 2,525.24 and 572.96 is: 859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.35 : 2,525.24 = 572.96 : x
  2. Step 2: Convert to fraction form
    1,683.35/2,525.24 = 572.96/x
  3. Step 3: Cross multiply
    1,683.35x = 2,525.24 × 572.96
  4. Step 4: Simplify right side
    1,683.35x = 1,446,855.05
  5. Step 5: Solve for x
    x = 1,446,855.05/1,683.35
  6. Step 6: Final answer
    x = 859.51

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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.