Home / 3,750.61-5,138.28-3,610.41

Finding the Fourth Proportional to 3,750.61, 5,138.28 and 3,610.41

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Solution

The fourth proportional to 3,750.61, 5,138.28 and 3,610.41 is: 4,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.61 : 5,138.28 = 3,610.41 : x
  2. Step 2: Convert to fraction form
    3,750.61/5,138.28 = 3,610.41/x
  3. Step 3: Cross multiply
    3,750.61x = 5,138.28 × 3,610.41
  4. Step 4: Simplify right side
    3,750.61x = 18,551,297.49
  5. Step 5: Solve for x
    x = 18,551,297.49/3,750.61
  6. Step 6: Final answer
    x = 4,946.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.