Home / 3,549.72-4,898.70-1,956.42

Finding the Fourth Proportional to 3,549.72, 4,898.70 and 1,956.42

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Solution

The fourth proportional to 3,549.72, 4,898.70 and 1,956.42 is: 2,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.72 : 4,898.70 = 1,956.42 : x
  2. Step 2: Convert to fraction form
    3,549.72/4,898.70 = 1,956.42/x
  3. Step 3: Cross multiply
    3,549.72x = 4,898.70 × 1,956.42
  4. Step 4: Simplify right side
    3,549.72x = 9,583,914.65
  5. Step 5: Solve for x
    x = 9,583,914.65/3,549.72
  6. Step 6: Final answer
    x = 2,699.91

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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.