Home / 3,998.70-5,516.51-2,506.14

Finding the Fourth Proportional to 3,998.70, 5,516.51 and 2,506.14

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Solution

The fourth proportional to 3,998.70, 5,516.51 and 2,506.14 is: 3,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.70 : 5,516.51 = 2,506.14 : x
  2. Step 2: Convert to fraction form
    3,998.70/5,516.51 = 2,506.14/x
  3. Step 3: Cross multiply
    3,998.70x = 5,516.51 × 2,506.14
  4. Step 4: Simplify right side
    3,998.70x = 13,825,133.84
  5. Step 5: Solve for x
    x = 13,825,133.84/3,998.70
  6. Step 6: Final answer
    x = 3,457.41

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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.