Home / 3,530.72-4,872.80-1,958.91

Finding the Fourth Proportional to 3,530.72, 4,872.80 and 1,958.91

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Solution

The fourth proportional to 3,530.72, 4,872.80 and 1,958.91 is: 2,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.72 : 4,872.80 = 1,958.91 : x
  2. Step 2: Convert to fraction form
    3,530.72/4,872.80 = 1,958.91/x
  3. Step 3: Cross multiply
    3,530.72x = 4,872.80 × 1,958.91
  4. Step 4: Simplify right side
    3,530.72x = 9,545,381.55
  5. Step 5: Solve for x
    x = 9,545,381.55/3,530.72
  6. Step 6: Final answer
    x = 2,703.53

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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.