Home / 2,270.30-3,133.24-1,525.81

Finding the Fourth Proportional to 2,270.30, 3,133.24 and 1,525.81

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Solution

The fourth proportional to 2,270.30, 3,133.24 and 1,525.81 is: 2,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.30 : 3,133.24 = 1,525.81 : x
  2. Step 2: Convert to fraction form
    2,270.30/3,133.24 = 1,525.81/x
  3. Step 3: Cross multiply
    2,270.30x = 3,133.24 × 1,525.81
  4. Step 4: Simplify right side
    2,270.30x = 4,780,705.63
  5. Step 5: Solve for x
    x = 4,780,705.63/2,270.30
  6. Step 6: Final answer
    x = 2,105.76

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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.