Home / 3,390.90-4,682.19-2,516.10

Finding the Fourth Proportional to 3,390.90, 4,682.19 and 2,516.10

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Solution

The fourth proportional to 3,390.90, 4,682.19 and 2,516.10 is: 3,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.90 : 4,682.19 = 2,516.10 : x
  2. Step 2: Convert to fraction form
    3,390.90/4,682.19 = 2,516.10/x
  3. Step 3: Cross multiply
    3,390.90x = 4,682.19 × 2,516.10
  4. Step 4: Simplify right side
    3,390.90x = 11,780,858.26
  5. Step 5: Solve for x
    x = 11,780,858.26/3,390.90
  6. Step 6: Final answer
    x = 3,474.26

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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.