Home / 3,755.28-5,185.80-2,360.46

Finding the Fourth Proportional to 3,755.28, 5,185.80 and 2,360.46

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Solution

The fourth proportional to 3,755.28, 5,185.80 and 2,360.46 is: 3,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.28 : 5,185.80 = 2,360.46 : x
  2. Step 2: Convert to fraction form
    3,755.28/5,185.80 = 2,360.46/x
  3. Step 3: Cross multiply
    3,755.28x = 5,185.80 × 2,360.46
  4. Step 4: Simplify right side
    3,755.28x = 12,240,873.47
  5. Step 5: Solve for x
    x = 12,240,873.47/3,755.28
  6. Step 6: Final answer
    x = 3,259.64

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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.