Home / 3,222.02-4,829.34-1,487

Finding the Fourth Proportional to 3,222.02, 4,829.34 and 1,487

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Solution

The fourth proportional to 3,222.02, 4,829.34 and 1,487 is: 2,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.02 : 4,829.34 = 1,487 : x
  2. Step 2: Convert to fraction form
    3,222.02/4,829.34 = 1,487/x
  3. Step 3: Cross multiply
    3,222.02x = 4,829.34 × 1,487
  4. Step 4: Simplify right side
    3,222.02x = 7,181,228.58
  5. Step 5: Solve for x
    x = 7,181,228.58/3,222.02
  6. Step 6: Final answer
    x = 2,228.80

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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.