Home / 3,161.16-4,361.58-1,835.46

Finding the Fourth Proportional to 3,161.16, 4,361.58 and 1,835.46

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Solution

The fourth proportional to 3,161.16, 4,361.58 and 1,835.46 is: 2,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.16 : 4,361.58 = 1,835.46 : x
  2. Step 2: Convert to fraction form
    3,161.16/4,361.58 = 1,835.46/x
  3. Step 3: Cross multiply
    3,161.16x = 4,361.58 × 1,835.46
  4. Step 4: Simplify right side
    3,161.16x = 8,005,505.63
  5. Step 5: Solve for x
    x = 8,005,505.63/3,161.16
  6. Step 6: Final answer
    x = 2,532.46

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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.