Home / 3,619.81-4,995.48-2,361.70

Finding the Fourth Proportional to 3,619.81, 4,995.48 and 2,361.70

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Solution

The fourth proportional to 3,619.81, 4,995.48 and 2,361.70 is: 3,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.81 : 4,995.48 = 2,361.70 : x
  2. Step 2: Convert to fraction form
    3,619.81/4,995.48 = 2,361.70/x
  3. Step 3: Cross multiply
    3,619.81x = 4,995.48 × 2,361.70
  4. Step 4: Simplify right side
    3,619.81x = 11,797,825.12
  5. Step 5: Solve for x
    x = 11,797,825.12/3,619.81
  6. Step 6: Final answer
    x = 3,259.24

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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.