Home / 3,412.86-4,709.70-1,997.52

Finding the Fourth Proportional to 3,412.86, 4,709.70 and 1,997.52

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Solution

The fourth proportional to 3,412.86, 4,709.70 and 1,997.52 is: 2,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.86 : 4,709.70 = 1,997.52 : x
  2. Step 2: Convert to fraction form
    3,412.86/4,709.70 = 1,997.52/x
  3. Step 3: Cross multiply
    3,412.86x = 4,709.70 × 1,997.52
  4. Step 4: Simplify right side
    3,412.86x = 9,407,719.94
  5. Step 5: Solve for x
    x = 9,407,719.94/3,412.86
  6. Step 6: Final answer
    x = 2,756.55

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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.