Home / 2,579.76-3,560.04-1,400.85

Finding the Fourth Proportional to 2,579.76, 3,560.04 and 1,400.85

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Solution

The fourth proportional to 2,579.76, 3,560.04 and 1,400.85 is: 1,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.76 : 3,560.04 = 1,400.85 : x
  2. Step 2: Convert to fraction form
    2,579.76/3,560.04 = 1,400.85/x
  3. Step 3: Cross multiply
    2,579.76x = 3,560.04 × 1,400.85
  4. Step 4: Simplify right side
    2,579.76x = 4,987,082.03
  5. Step 5: Solve for x
    x = 4,987,082.03/2,579.76
  6. Step 6: Final answer
    x = 1,933.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.