Home / 3,495.72-5,232.48-2,190.72

Finding the Fourth Proportional to 3,495.72, 5,232.48 and 2,190.72

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Solution

The fourth proportional to 3,495.72, 5,232.48 and 2,190.72 is: 3,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.72 : 5,232.48 = 2,190.72 : x
  2. Step 2: Convert to fraction form
    3,495.72/5,232.48 = 2,190.72/x
  3. Step 3: Cross multiply
    3,495.72x = 5,232.48 × 2,190.72
  4. Step 4: Simplify right side
    3,495.72x = 11,462,898.59
  5. Step 5: Solve for x
    x = 11,462,898.59/3,495.72
  6. Step 6: Final answer
    x = 3,279.12

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1.5x scale

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.