Home / 1,932.45-2,898.41-633.75

Finding the Fourth Proportional to 1,932.45, 2,898.41 and 633.75

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Solution

The fourth proportional to 1,932.45, 2,898.41 and 633.75 is: 950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.45 : 2,898.41 = 633.75 : x
  2. Step 2: Convert to fraction form
    1,932.45/2,898.41 = 633.75/x
  3. Step 3: Cross multiply
    1,932.45x = 2,898.41 × 633.75
  4. Step 4: Simplify right side
    1,932.45x = 1,836,864.17
  5. Step 5: Solve for x
    x = 1,836,864.17/1,932.45
  6. Step 6: Final answer
    x = 950.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.