Home / 2,135.48-3,199.98-1,585.09

Finding the Fourth Proportional to 2,135.48, 3,199.98 and 1,585.09

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Solution

The fourth proportional to 2,135.48, 3,199.98 and 1,585.09 is: 2,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.48 : 3,199.98 = 1,585.09 : x
  2. Step 2: Convert to fraction form
    2,135.48/3,199.98 = 1,585.09/x
  3. Step 3: Cross multiply
    2,135.48x = 3,199.98 × 1,585.09
  4. Step 4: Simplify right side
    2,135.48x = 5,072,256.30
  5. Step 5: Solve for x
    x = 5,072,256.30/2,135.48
  6. Step 6: Final answer
    x = 2,375.23

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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.