Home / 2,829.61-4,240.77-2,282.05

Finding the Fourth Proportional to 2,829.61, 4,240.77 and 2,282.05

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Solution

The fourth proportional to 2,829.61, 4,240.77 and 2,282.05 is: 3,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.61 : 4,240.77 = 2,282.05 : x
  2. Step 2: Convert to fraction form
    2,829.61/4,240.77 = 2,282.05/x
  3. Step 3: Cross multiply
    2,829.61x = 4,240.77 × 2,282.05
  4. Step 4: Simplify right side
    2,829.61x = 9,677,649.18
  5. Step 5: Solve for x
    x = 9,677,649.18/2,829.61
  6. Step 6: Final answer
    x = 3,420.14

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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.