Home / 3,006.55-4,505.70-1,690.94

Finding the Fourth Proportional to 3,006.55, 4,505.70 and 1,690.94

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Solution

The fourth proportional to 3,006.55, 4,505.70 and 1,690.94 is: 2,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.55 : 4,505.70 = 1,690.94 : x
  2. Step 2: Convert to fraction form
    3,006.55/4,505.70 = 1,690.94/x
  3. Step 3: Cross multiply
    3,006.55x = 4,505.70 × 1,690.94
  4. Step 4: Simplify right side
    3,006.55x = 7,618,845.83
  5. Step 5: Solve for x
    x = 7,618,845.83/3,006.55
  6. Step 6: Final answer
    x = 2,534.09

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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.