Home / 4,138.20-6,200.10-2,597.40

Finding the Fourth Proportional to 4,138.20, 6,200.10 and 2,597.40

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Solution

The fourth proportional to 4,138.20, 6,200.10 and 2,597.40 is: 3,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.20 : 6,200.10 = 2,597.40 : x
  2. Step 2: Convert to fraction form
    4,138.20/6,200.10 = 2,597.40/x
  3. Step 3: Cross multiply
    4,138.20x = 6,200.10 × 2,597.40
  4. Step 4: Simplify right side
    4,138.20x = 16,104,139.74
  5. Step 5: Solve for x
    x = 16,104,139.74/4,138.20
  6. Step 6: Final answer
    x = 3,891.58

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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.