Home / 3,412.02-5,124.51-2,122.50

Finding the Fourth Proportional to 3,412.02, 5,124.51 and 2,122.50

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Solution

The fourth proportional to 3,412.02, 5,124.51 and 2,122.50 is: 3,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.02 : 5,124.51 = 2,122.50 : x
  2. Step 2: Convert to fraction form
    3,412.02/5,124.51 = 2,122.50/x
  3. Step 3: Cross multiply
    3,412.02x = 5,124.51 × 2,122.50
  4. Step 4: Simplify right side
    3,412.02x = 10,876,772.48
  5. Step 5: Solve for x
    x = 10,876,772.48/3,412.02
  6. Step 6: Final answer
    x = 3,187.78

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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.