Home / 3,948.14-5,918.57-1,755.07

Finding the Fourth Proportional to 3,948.14, 5,918.57 and 1,755.07

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Solution

The fourth proportional to 3,948.14, 5,918.57 and 1,755.07 is: 2,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.14 : 5,918.57 = 1,755.07 : x
  2. Step 2: Convert to fraction form
    3,948.14/5,918.57 = 1,755.07/x
  3. Step 3: Cross multiply
    3,948.14x = 5,918.57 × 1,755.07
  4. Step 4: Simplify right side
    3,948.14x = 10,387,487.66
  5. Step 5: Solve for x
    x = 10,387,487.66/3,948.14
  6. Step 6: Final answer
    x = 2,630.98

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1.5x scale

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.