Home / 3,161.04-4,358.12-2,164.58

Finding the Fourth Proportional to 3,161.04, 4,358.12 and 2,164.58

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Solution

The fourth proportional to 3,161.04, 4,358.12 and 2,164.58 is: 2,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.04 : 4,358.12 = 2,164.58 : x
  2. Step 2: Convert to fraction form
    3,161.04/4,358.12 = 2,164.58/x
  3. Step 3: Cross multiply
    3,161.04x = 4,358.12 × 2,164.58
  4. Step 4: Simplify right side
    3,161.04x = 9,433,499.39
  5. Step 5: Solve for x
    x = 9,433,499.39/3,161.04
  6. Step 6: Final answer
    x = 2,984.30

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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.