Home / 2,133.68-3,181.84-2,114.24

Finding the Fourth Proportional to 2,133.68, 3,181.84 and 2,114.24

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Solution

The fourth proportional to 2,133.68, 3,181.84 and 2,114.24 is: 3,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.68 : 3,181.84 = 2,114.24 : x
  2. Step 2: Convert to fraction form
    2,133.68/3,181.84 = 2,114.24/x
  3. Step 3: Cross multiply
    2,133.68x = 3,181.84 × 2,114.24
  4. Step 4: Simplify right side
    2,133.68x = 6,727,173.40
  5. Step 5: Solve for x
    x = 6,727,173.40/2,133.68
  6. Step 6: Final answer
    x = 3,152.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.