Home / 3,392.12-4,679.56-2,197.50

Finding the Fourth Proportional to 3,392.12, 4,679.56 and 2,197.50

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Solution

The fourth proportional to 3,392.12, 4,679.56 and 2,197.50 is: 3,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.12 : 4,679.56 = 2,197.50 : x
  2. Step 2: Convert to fraction form
    3,392.12/4,679.56 = 2,197.50/x
  3. Step 3: Cross multiply
    3,392.12x = 4,679.56 × 2,197.50
  4. Step 4: Simplify right side
    3,392.12x = 10,283,333.10
  5. Step 5: Solve for x
    x = 10,283,333.10/3,392.12
  6. Step 6: Final answer
    x = 3,031.54

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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.