Home / 1,299.25-1,948.41-374.56

Finding the Fourth Proportional to 1,299.25, 1,948.41 and 374.56

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Solution

The fourth proportional to 1,299.25, 1,948.41 and 374.56 is: 561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.25 : 1,948.41 = 374.56 : x
  2. Step 2: Convert to fraction form
    1,299.25/1,948.41 = 374.56/x
  3. Step 3: Cross multiply
    1,299.25x = 1,948.41 × 374.56
  4. Step 4: Simplify right side
    1,299.25x = 729,796.45
  5. Step 5: Solve for x
    x = 729,796.45/1,299.25
  6. Step 6: Final answer
    x = 561.71

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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.