Home / 2,376.09-3,278.55-1,537.86

Finding the Fourth Proportional to 2,376.09, 3,278.55 and 1,537.86

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Solution

The fourth proportional to 2,376.09, 3,278.55 and 1,537.86 is: 2,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.09 : 3,278.55 = 1,537.86 : x
  2. Step 2: Convert to fraction form
    2,376.09/3,278.55 = 1,537.86/x
  3. Step 3: Cross multiply
    2,376.09x = 3,278.55 × 1,537.86
  4. Step 4: Simplify right side
    2,376.09x = 5,041,950.90
  5. Step 5: Solve for x
    x = 5,041,950.90/2,376.09
  6. Step 6: Final answer
    x = 2,121.95

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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.