Home / 4,109.86-5,671.27-2,430.94

Finding the Fourth Proportional to 4,109.86, 5,671.27 and 2,430.94

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Solution

The fourth proportional to 4,109.86, 5,671.27 and 2,430.94 is: 3,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.86 : 5,671.27 = 2,430.94 : x
  2. Step 2: Convert to fraction form
    4,109.86/5,671.27 = 2,430.94/x
  3. Step 3: Cross multiply
    4,109.86x = 5,671.27 × 2,430.94
  4. Step 4: Simplify right side
    4,109.86x = 13,786,517.09
  5. Step 5: Solve for x
    x = 13,786,517.09/4,109.86
  6. Step 6: Final answer
    x = 3,354.50

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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.