Home / 3,471.07-5,207.61-1,249.86

Finding the Fourth Proportional to 3,471.07, 5,207.61 and 1,249.86

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Solution

The fourth proportional to 3,471.07, 5,207.61 and 1,249.86 is: 1,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.07 : 5,207.61 = 1,249.86 : x
  2. Step 2: Convert to fraction form
    3,471.07/5,207.61 = 1,249.86/x
  3. Step 3: Cross multiply
    3,471.07x = 5,207.61 × 1,249.86
  4. Step 4: Simplify right side
    3,471.07x = 6,508,783.43
  5. Step 5: Solve for x
    x = 6,508,783.43/3,471.07
  6. Step 6: Final answer
    x = 1,875.15

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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.