Home / 1,791.45-2,688.84-1,784.88

Finding the Fourth Proportional to 1,791.45, 2,688.84 and 1,784.88

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Solution

The fourth proportional to 1,791.45, 2,688.84 and 1,784.88 is: 2,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.45 : 2,688.84 = 1,784.88 : x
  2. Step 2: Convert to fraction form
    1,791.45/2,688.84 = 1,784.88/x
  3. Step 3: Cross multiply
    1,791.45x = 2,688.84 × 1,784.88
  4. Step 4: Simplify right side
    1,791.45x = 4,799,256.74
  5. Step 5: Solve for x
    x = 4,799,256.74/1,791.45
  6. Step 6: Final answer
    x = 2,678.98

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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.