Home / 2,351.12-3,525.41-707.22

Finding the Fourth Proportional to 2,351.12, 3,525.41 and 707.22

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Solution

The fourth proportional to 2,351.12, 3,525.41 and 707.22 is: 1,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.12 : 3,525.41 = 707.22 : x
  2. Step 2: Convert to fraction form
    2,351.12/3,525.41 = 707.22/x
  3. Step 3: Cross multiply
    2,351.12x = 3,525.41 × 707.22
  4. Step 4: Simplify right side
    2,351.12x = 2,493,236.92
  5. Step 5: Solve for x
    x = 2,493,236.92/2,351.12
  6. Step 6: Final answer
    x = 1,060.45

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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.