Home / 1,401.60-2,100.48-1,093.92

Finding the Fourth Proportional to 1,401.60, 2,100.48 and 1,093.92

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Solution

The fourth proportional to 1,401.60, 2,100.48 and 1,093.92 is: 1,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.60 : 2,100.48 = 1,093.92 : x
  2. Step 2: Convert to fraction form
    1,401.60/2,100.48 = 1,093.92/x
  3. Step 3: Cross multiply
    1,401.60x = 2,100.48 × 1,093.92
  4. Step 4: Simplify right side
    1,401.60x = 2,297,757.08
  5. Step 5: Solve for x
    x = 2,297,757.08/1,401.60
  6. Step 6: Final answer
    x = 1,639.38

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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.