Home / 3,507.50-5,261.80-1,042.07

Finding the Fourth Proportional to 3,507.50, 5,261.80 and 1,042.07

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Solution

The fourth proportional to 3,507.50, 5,261.80 and 1,042.07 is: 1,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.50 : 5,261.80 = 1,042.07 : x
  2. Step 2: Convert to fraction form
    3,507.50/5,261.80 = 1,042.07/x
  3. Step 3: Cross multiply
    3,507.50x = 5,261.80 × 1,042.07
  4. Step 4: Simplify right side
    3,507.50x = 5,483,163.93
  5. Step 5: Solve for x
    x = 5,483,163.93/3,507.50
  6. Step 6: Final answer
    x = 1,563.27

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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.