Home / 2,549.21-3,516.81-1,486.89

Finding the Fourth Proportional to 2,549.21, 3,516.81 and 1,486.89

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Solution

The fourth proportional to 2,549.21, 3,516.81 and 1,486.89 is: 2,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.21 : 3,516.81 = 1,486.89 : x
  2. Step 2: Convert to fraction form
    2,549.21/3,516.81 = 1,486.89/x
  3. Step 3: Cross multiply
    2,549.21x = 3,516.81 × 1,486.89
  4. Step 4: Simplify right side
    2,549.21x = 5,229,109.62
  5. Step 5: Solve for x
    x = 5,229,109.62/2,549.21
  6. Step 6: Final answer
    x = 2,051.27

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1.5x scale

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.