Home / 3,729.79-5,146.98-2,051.18

Finding the Fourth Proportional to 3,729.79, 5,146.98 and 2,051.18

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Solution

The fourth proportional to 3,729.79, 5,146.98 and 2,051.18 is: 2,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.79 : 5,146.98 = 2,051.18 : x
  2. Step 2: Convert to fraction form
    3,729.79/5,146.98 = 2,051.18/x
  3. Step 3: Cross multiply
    3,729.79x = 5,146.98 × 2,051.18
  4. Step 4: Simplify right side
    3,729.79x = 10,557,382.44
  5. Step 5: Solve for x
    x = 10,557,382.44/3,729.79
  6. Step 6: Final answer
    x = 2,830.56

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1.5x scale

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.