Home / 2,685.26-4,029.51-953.75

Finding the Fourth Proportional to 2,685.26, 4,029.51 and 953.75

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Solution

The fourth proportional to 2,685.26, 4,029.51 and 953.75 is: 1,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.26 : 4,029.51 = 953.75 : x
  2. Step 2: Convert to fraction form
    2,685.26/4,029.51 = 953.75/x
  3. Step 3: Cross multiply
    2,685.26x = 4,029.51 × 953.75
  4. Step 4: Simplify right side
    2,685.26x = 3,843,145.16
  5. Step 5: Solve for x
    x = 3,843,145.16/2,685.26
  6. Step 6: Final answer
    x = 1,431.20

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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.