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Finding the Fourth Proportional to 3,262, 4,501.56 and 1,790

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Solution

The fourth proportional to 3,262, 4,501.56 and 1,790 is: 2,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262 : 4,501.56 = 1,790 : x
  2. Step 2: Convert to fraction form
    3,262/4,501.56 = 1,790/x
  3. Step 3: Cross multiply
    3,262x = 4,501.56 × 1,790
  4. Step 4: Simplify right side
    3,262x = 8,057,792.40
  5. Step 5: Solve for x
    x = 8,057,792.40/3,262
  6. Step 6: Final answer
    x = 2,470.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.