Home / 2,351.90-3,529.07-1,256.60

Finding the Fourth Proportional to 2,351.90, 3,529.07 and 1,256.60

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Solution

The fourth proportional to 2,351.90, 3,529.07 and 1,256.60 is: 1,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.90 : 3,529.07 = 1,256.60 : x
  2. Step 2: Convert to fraction form
    2,351.90/3,529.07 = 1,256.60/x
  3. Step 3: Cross multiply
    2,351.90x = 3,529.07 × 1,256.60
  4. Step 4: Simplify right side
    2,351.90x = 4,434,623.08
  5. Step 5: Solve for x
    x = 4,434,623.08/2,351.90
  6. Step 6: Final answer
    x = 1,885.55

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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.