Home / 2,798.28-4,193.78-1,152.63

Finding the Fourth Proportional to 2,798.28, 4,193.78 and 1,152.63

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Solution

The fourth proportional to 2,798.28, 4,193.78 and 1,152.63 is: 1,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.28 : 4,193.78 = 1,152.63 : x
  2. Step 2: Convert to fraction form
    2,798.28/4,193.78 = 1,152.63/x
  3. Step 3: Cross multiply
    2,798.28x = 4,193.78 × 1,152.63
  4. Step 4: Simplify right side
    2,798.28x = 4,833,870.88
  5. Step 5: Solve for x
    x = 4,833,870.88/2,798.28
  6. Step 6: Final answer
    x = 1,727.44

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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.