Home / 2,920.41-4,382.58-1,276.01

Finding the Fourth Proportional to 2,920.41, 4,382.58 and 1,276.01

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Solution

The fourth proportional to 2,920.41, 4,382.58 and 1,276.01 is: 1,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.41 : 4,382.58 = 1,276.01 : x
  2. Step 2: Convert to fraction form
    2,920.41/4,382.58 = 1,276.01/x
  3. Step 3: Cross multiply
    2,920.41x = 4,382.58 × 1,276.01
  4. Step 4: Simplify right side
    2,920.41x = 5,592,198.78
  5. Step 5: Solve for x
    x = 5,592,198.78/2,920.41
  6. Step 6: Final answer
    x = 1,914.87

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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.