Home / 3,145.22-4,341.58-2,361.53

Finding the Fourth Proportional to 3,145.22, 4,341.58 and 2,361.53

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Solution

The fourth proportional to 3,145.22, 4,341.58 and 2,361.53 is: 3,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.22 : 4,341.58 = 2,361.53 : x
  2. Step 2: Convert to fraction form
    3,145.22/4,341.58 = 2,361.53/x
  3. Step 3: Cross multiply
    3,145.22x = 4,341.58 × 2,361.53
  4. Step 4: Simplify right side
    3,145.22x = 10,252,743.81
  5. Step 5: Solve for x
    x = 10,252,743.81/3,145.22
  6. Step 6: Final answer
    x = 3,259.79

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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.