Home / 3,125.86-4,309.41-2,417.92

Finding the Fourth Proportional to 3,125.86, 4,309.41 and 2,417.92

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Solution

The fourth proportional to 3,125.86, 4,309.41 and 2,417.92 is: 3,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.86 : 4,309.41 = 2,417.92 : x
  2. Step 2: Convert to fraction form
    3,125.86/4,309.41 = 2,417.92/x
  3. Step 3: Cross multiply
    3,125.86x = 4,309.41 × 2,417.92
  4. Step 4: Simplify right side
    3,125.86x = 10,419,808.63
  5. Step 5: Solve for x
    x = 10,419,808.63/3,125.86
  6. Step 6: Final answer
    x = 3,333.42

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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.