Home / 3,726.84-5,130.15-3,222.48

Finding the Fourth Proportional to 3,726.84, 5,130.15 and 3,222.48

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Solution

The fourth proportional to 3,726.84, 5,130.15 and 3,222.48 is: 4,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.84 : 5,130.15 = 3,222.48 : x
  2. Step 2: Convert to fraction form
    3,726.84/5,130.15 = 3,222.48/x
  3. Step 3: Cross multiply
    3,726.84x = 5,130.15 × 3,222.48
  4. Step 4: Simplify right side
    3,726.84x = 16,531,805.77
  5. Step 5: Solve for x
    x = 16,531,805.77/3,726.84
  6. Step 6: Final answer
    x = 4,435.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.