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Finding the Fourth Proportional to 2,169.39, 3,254.06 and 525.93

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Solution

The fourth proportional to 2,169.39, 3,254.06 and 525.93 is: 788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.39 : 3,254.06 = 525.93 : x
  2. Step 2: Convert to fraction form
    2,169.39/3,254.06 = 525.93/x
  3. Step 3: Cross multiply
    2,169.39x = 3,254.06 × 525.93
  4. Step 4: Simplify right side
    2,169.39x = 1,711,407.78
  5. Step 5: Solve for x
    x = 1,711,407.78/2,169.39
  6. Step 6: Final answer
    x = 788.89

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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.