Home / 2,631.36-3,629.84-1,833.42

Finding the Fourth Proportional to 2,631.36, 3,629.84 and 1,833.42

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Solution

The fourth proportional to 2,631.36, 3,629.84 and 1,833.42 is: 2,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.36 : 3,629.84 = 1,833.42 : x
  2. Step 2: Convert to fraction form
    2,631.36/3,629.84 = 1,833.42/x
  3. Step 3: Cross multiply
    2,631.36x = 3,629.84 × 1,833.42
  4. Step 4: Simplify right side
    2,631.36x = 6,655,021.25
  5. Step 5: Solve for x
    x = 6,655,021.25/2,631.36
  6. Step 6: Final answer
    x = 2,529.12

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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.