Home / 2,374.86-3,276.51-1,379.76

Finding the Fourth Proportional to 2,374.86, 3,276.51 and 1,379.76

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Solution

The fourth proportional to 2,374.86, 3,276.51 and 1,379.76 is: 1,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.86 : 3,276.51 = 1,379.76 : x
  2. Step 2: Convert to fraction form
    2,374.86/3,276.51 = 1,379.76/x
  3. Step 3: Cross multiply
    2,374.86x = 3,276.51 × 1,379.76
  4. Step 4: Simplify right side
    2,374.86x = 4,520,797.44
  5. Step 5: Solve for x
    x = 4,520,797.44/2,374.86
  6. Step 6: Final answer
    x = 1,903.61

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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.