Home / 2,374.63-3,276.77-1,379.90

Finding the Fourth Proportional to 2,374.63, 3,276.77 and 1,379.90

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Solution

The fourth proportional to 2,374.63, 3,276.77 and 1,379.90 is: 1,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.63 : 3,276.77 = 1,379.90 : x
  2. Step 2: Convert to fraction form
    2,374.63/3,276.77 = 1,379.90/x
  3. Step 3: Cross multiply
    2,374.63x = 3,276.77 × 1,379.90
  4. Step 4: Simplify right side
    2,374.63x = 4,521,591.64
  5. Step 5: Solve for x
    x = 4,521,591.64/2,374.63
  6. Step 6: Final answer
    x = 1,904.13

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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.