Home / 1,515.45-2,273.01-475.41

Finding the Fourth Proportional to 1,515.45, 2,273.01 and 475.41

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Solution

The fourth proportional to 1,515.45, 2,273.01 and 475.41 is: 713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.45 : 2,273.01 = 475.41 : x
  2. Step 2: Convert to fraction form
    1,515.45/2,273.01 = 475.41/x
  3. Step 3: Cross multiply
    1,515.45x = 2,273.01 × 475.41
  4. Step 4: Simplify right side
    1,515.45x = 1,080,611.68
  5. Step 5: Solve for x
    x = 1,080,611.68/1,515.45
  6. Step 6: Final answer
    x = 713.06

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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.