Home / 3,173.50-4,760.01-1,690.43

Finding the Fourth Proportional to 3,173.50, 4,760.01 and 1,690.43

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Solution

The fourth proportional to 3,173.50, 4,760.01 and 1,690.43 is: 2,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.50 : 4,760.01 = 1,690.43 : x
  2. Step 2: Convert to fraction form
    3,173.50/4,760.01 = 1,690.43/x
  3. Step 3: Cross multiply
    3,173.50x = 4,760.01 × 1,690.43
  4. Step 4: Simplify right side
    3,173.50x = 8,046,475.60
  5. Step 5: Solve for x
    x = 8,046,475.60/3,173.50
  6. Step 6: Final answer
    x = 2,535.52

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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.