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Finding the Fourth Proportional to 2,083.58, 3,125.29 and 523.58

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Solution

The fourth proportional to 2,083.58, 3,125.29 and 523.58 is: 785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.58 : 3,125.29 = 523.58 : x
  2. Step 2: Convert to fraction form
    2,083.58/3,125.29 = 523.58/x
  3. Step 3: Cross multiply
    2,083.58x = 3,125.29 × 523.58
  4. Step 4: Simplify right side
    2,083.58x = 1,636,339.34
  5. Step 5: Solve for x
    x = 1,636,339.34/2,083.58
  6. Step 6: Final answer
    x = 785.35

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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.