Home / 3,467.20-5,211.60-3,402.40

Finding the Fourth Proportional to 3,467.20, 5,211.60 and 3,402.40

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Solution

The fourth proportional to 3,467.20, 5,211.60 and 3,402.40 is: 5,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.20 : 5,211.60 = 3,402.40 : x
  2. Step 2: Convert to fraction form
    3,467.20/5,211.60 = 3,402.40/x
  3. Step 3: Cross multiply
    3,467.20x = 5,211.60 × 3,402.40
  4. Step 4: Simplify right side
    3,467.20x = 17,731,947.84
  5. Step 5: Solve for x
    x = 17,731,947.84/3,467.20
  6. Step 6: Final answer
    x = 5,114.20

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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.