Home / 2,556.08-3,834.08-1,401.20

Finding the Fourth Proportional to 2,556.08, 3,834.08 and 1,401.20

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Solution

The fourth proportional to 2,556.08, 3,834.08 and 1,401.20 is: 2,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.08 : 3,834.08 = 1,401.20 : x
  2. Step 2: Convert to fraction form
    2,556.08/3,834.08 = 1,401.20/x
  3. Step 3: Cross multiply
    2,556.08x = 3,834.08 × 1,401.20
  4. Step 4: Simplify right side
    2,556.08x = 5,372,312.90
  5. Step 5: Solve for x
    x = 5,372,312.90/2,556.08
  6. Step 6: Final answer
    x = 2,101.78

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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.