Home / 4,097.80-6,144.90-1,631.80

Finding the Fourth Proportional to 4,097.80, 6,144.90 and 1,631.80

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Solution

The fourth proportional to 4,097.80, 6,144.90 and 1,631.80 is: 2,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,097.80 : 6,144.90 = 1,631.80 : x
  2. Step 2: Convert to fraction form
    4,097.80/6,144.90 = 1,631.80/x
  3. Step 3: Cross multiply
    4,097.80x = 6,144.90 × 1,631.80
  4. Step 4: Simplify right side
    4,097.80x = 10,027,247.82
  5. Step 5: Solve for x
    x = 10,027,247.82/4,097.80
  6. Step 6: Final answer
    x = 2,446.98

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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.