Home / 3,390.12-5,087.16-2,467.34

Finding the Fourth Proportional to 3,390.12, 5,087.16 and 2,467.34

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Solution

The fourth proportional to 3,390.12, 5,087.16 and 2,467.34 is: 3,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.12 : 5,087.16 = 2,467.34 : x
  2. Step 2: Convert to fraction form
    3,390.12/5,087.16 = 2,467.34/x
  3. Step 3: Cross multiply
    3,390.12x = 5,087.16 × 2,467.34
  4. Step 4: Simplify right side
    3,390.12x = 12,551,753.35
  5. Step 5: Solve for x
    x = 12,551,753.35/3,390.12
  6. Step 6: Final answer
    x = 3,702.45

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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.