Home / 2,829.36-4,240.80-1,096.50

Finding the Fourth Proportional to 2,829.36, 4,240.80 and 1,096.50

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Solution

The fourth proportional to 2,829.36, 4,240.80 and 1,096.50 is: 1,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.36 : 4,240.80 = 1,096.50 : x
  2. Step 2: Convert to fraction form
    2,829.36/4,240.80 = 1,096.50/x
  3. Step 3: Cross multiply
    2,829.36x = 4,240.80 × 1,096.50
  4. Step 4: Simplify right side
    2,829.36x = 4,650,037.20
  5. Step 5: Solve for x
    x = 4,650,037.20/2,829.36
  6. Step 6: Final answer
    x = 1,643.49

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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.