Home / 2,548.87-3,820.57-1,315.95

Finding the Fourth Proportional to 2,548.87, 3,820.57 and 1,315.95

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Solution

The fourth proportional to 2,548.87, 3,820.57 and 1,315.95 is: 1,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.87 : 3,820.57 = 1,315.95 : x
  2. Step 2: Convert to fraction form
    2,548.87/3,820.57 = 1,315.95/x
  3. Step 3: Cross multiply
    2,548.87x = 3,820.57 × 1,315.95
  4. Step 4: Simplify right side
    2,548.87x = 5,027,661.47
  5. Step 5: Solve for x
    x = 5,027,661.47/2,548.87
  6. Step 6: Final answer
    x = 1,972.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.