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Finding the Fourth Proportional to 1,683.28, 2,525.04 and 529

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Solution

The fourth proportional to 1,683.28, 2,525.04 and 529 is: 793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.28 : 2,525.04 = 529 : x
  2. Step 2: Convert to fraction form
    1,683.28/2,525.04 = 529/x
  3. Step 3: Cross multiply
    1,683.28x = 2,525.04 × 529
  4. Step 4: Simplify right side
    1,683.28x = 1,335,746.16
  5. Step 5: Solve for x
    x = 1,335,746.16/1,683.28
  6. Step 6: Final answer
    x = 793.54

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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.