Home / 2,579.83-3,560.10-1,400.87

Finding the Fourth Proportional to 2,579.83, 3,560.10 and 1,400.87

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Solution

The fourth proportional to 2,579.83, 3,560.10 and 1,400.87 is: 1,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.83 : 3,560.10 = 1,400.87 : x
  2. Step 2: Convert to fraction form
    2,579.83/3,560.10 = 1,400.87/x
  3. Step 3: Cross multiply
    2,579.83x = 3,560.10 × 1,400.87
  4. Step 4: Simplify right side
    2,579.83x = 4,987,237.29
  5. Step 5: Solve for x
    x = 4,987,237.29/2,579.83
  6. Step 6: Final answer
    x = 1,933.17

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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.