Home / 2,824.60-4,228.80-1,731.10

Finding the Fourth Proportional to 2,824.60, 4,228.80 and 1,731.10

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Solution

The fourth proportional to 2,824.60, 4,228.80 and 1,731.10 is: 2,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.60 : 4,228.80 = 1,731.10 : x
  2. Step 2: Convert to fraction form
    2,824.60/4,228.80 = 1,731.10/x
  3. Step 3: Cross multiply
    2,824.60x = 4,228.80 × 1,731.10
  4. Step 4: Simplify right side
    2,824.60x = 7,320,475.68
  5. Step 5: Solve for x
    x = 7,320,475.68/2,824.60
  6. Step 6: Final answer
    x = 2,591.69

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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.