Home / 1,943.96-2,920.26-1,684.76

Finding the Fourth Proportional to 1,943.96, 2,920.26 and 1,684.76

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Solution

The fourth proportional to 1,943.96, 2,920.26 and 1,684.76 is: 2,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.96 : 2,920.26 = 1,684.76 : x
  2. Step 2: Convert to fraction form
    1,943.96/2,920.26 = 1,684.76/x
  3. Step 3: Cross multiply
    1,943.96x = 2,920.26 × 1,684.76
  4. Step 4: Simplify right side
    1,943.96x = 4,919,937.24
  5. Step 5: Solve for x
    x = 4,919,937.24/1,943.96
  6. Step 6: Final answer
    x = 2,530.88

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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.