Home / 1,027.10-1,540.80-333.56

Finding the Fourth Proportional to 1,027.10, 1,540.80 and 333.56

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Solution

The fourth proportional to 1,027.10, 1,540.80 and 333.56 is: 500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.10 : 1,540.80 = 333.56 : x
  2. Step 2: Convert to fraction form
    1,027.10/1,540.80 = 333.56/x
  3. Step 3: Cross multiply
    1,027.10x = 1,540.80 × 333.56
  4. Step 4: Simplify right side
    1,027.10x = 513,941.54
  5. Step 5: Solve for x
    x = 513,941.54/1,027.10
  6. Step 6: Final answer
    x = 500.38

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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.