Home / 3,169.87-4,374.62-1,753.49

Finding the Fourth Proportional to 3,169.87, 4,374.62 and 1,753.49

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Solution

The fourth proportional to 3,169.87, 4,374.62 and 1,753.49 is: 2,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.87 : 4,374.62 = 1,753.49 : x
  2. Step 2: Convert to fraction form
    3,169.87/4,374.62 = 1,753.49/x
  3. Step 3: Cross multiply
    3,169.87x = 4,374.62 × 1,753.49
  4. Step 4: Simplify right side
    3,169.87x = 7,670,852.42
  5. Step 5: Solve for x
    x = 7,670,852.42/3,169.87
  6. Step 6: Final answer
    x = 2,419.93

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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.