Home / 3,570-4,927.05-2,578.56

Finding the Fourth Proportional to 3,570, 4,927.05 and 2,578.56

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Solution

The fourth proportional to 3,570, 4,927.05 and 2,578.56 is: 3,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570 : 4,927.05 = 2,578.56 : x
  2. Step 2: Convert to fraction form
    3,570/4,927.05 = 2,578.56/x
  3. Step 3: Cross multiply
    3,570x = 4,927.05 × 2,578.56
  4. Step 4: Simplify right side
    3,570x = 12,704,694.05
  5. Step 5: Solve for x
    x = 12,704,694.05/3,570
  6. Step 6: Final answer
    x = 3,558.74

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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.