Home / 2,377.44-3,281.04-1,382.76

Finding the Fourth Proportional to 2,377.44, 3,281.04 and 1,382.76

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Solution

The fourth proportional to 2,377.44, 3,281.04 and 1,382.76 is: 1,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.44 : 3,281.04 = 1,382.76 : x
  2. Step 2: Convert to fraction form
    2,377.44/3,281.04 = 1,382.76/x
  3. Step 3: Cross multiply
    2,377.44x = 3,281.04 × 1,382.76
  4. Step 4: Simplify right side
    2,377.44x = 4,536,890.87
  5. Step 5: Solve for x
    x = 4,536,890.87/2,377.44
  6. Step 6: Final answer
    x = 1,908.31

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1.5x scale

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.