Home / 3,125.60-4,313.35-2,006.56

Finding the Fourth Proportional to 3,125.60, 4,313.35 and 2,006.56

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Solution

The fourth proportional to 3,125.60, 4,313.35 and 2,006.56 is: 2,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.60 : 4,313.35 = 2,006.56 : x
  2. Step 2: Convert to fraction form
    3,125.60/4,313.35 = 2,006.56/x
  3. Step 3: Cross multiply
    3,125.60x = 4,313.35 × 2,006.56
  4. Step 4: Simplify right side
    3,125.60x = 8,654,995.58
  5. Step 5: Solve for x
    x = 8,654,995.58/3,125.60
  6. Step 6: Final answer
    x = 2,769.07

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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.