Home / 2,578.05-3,560.61-1,737.28

Finding the Fourth Proportional to 2,578.05, 3,560.61 and 1,737.28

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Solution

The fourth proportional to 2,578.05, 3,560.61 and 1,737.28 is: 2,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.05 : 3,560.61 = 1,737.28 : x
  2. Step 2: Convert to fraction form
    2,578.05/3,560.61 = 1,737.28/x
  3. Step 3: Cross multiply
    2,578.05x = 3,560.61 × 1,737.28
  4. Step 4: Simplify right side
    2,578.05x = 6,185,776.54
  5. Step 5: Solve for x
    x = 6,185,776.54/2,578.05
  6. Step 6: Final answer
    x = 2,399.40

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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.