Home / 3,639.18-5,024.36-2,579.19

Finding the Fourth Proportional to 3,639.18, 5,024.36 and 2,579.19

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Solution

The fourth proportional to 3,639.18, 5,024.36 and 2,579.19 is: 3,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.18 : 5,024.36 = 2,579.19 : x
  2. Step 2: Convert to fraction form
    3,639.18/5,024.36 = 2,579.19/x
  3. Step 3: Cross multiply
    3,639.18x = 5,024.36 × 2,579.19
  4. Step 4: Simplify right side
    3,639.18x = 12,958,779.07
  5. Step 5: Solve for x
    x = 12,958,779.07/3,639.18
  6. Step 6: Final answer
    x = 3,560.91

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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.