Home / 2,695.21-3,719.87-2,572.09

Finding the Fourth Proportional to 2,695.21, 3,719.87 and 2,572.09

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Solution

The fourth proportional to 2,695.21, 3,719.87 and 2,572.09 is: 3,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.21 : 3,719.87 = 2,572.09 : x
  2. Step 2: Convert to fraction form
    2,695.21/3,719.87 = 2,572.09/x
  3. Step 3: Cross multiply
    2,695.21x = 3,719.87 × 2,572.09
  4. Step 4: Simplify right side
    2,695.21x = 9,567,827.57
  5. Step 5: Solve for x
    x = 9,567,827.57/2,695.21
  6. Step 6: Final answer
    x = 3,549.94

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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.