Home / 3,125.33-4,313.55-2,007.68

Finding the Fourth Proportional to 3,125.33, 4,313.55 and 2,007.68

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Solution

The fourth proportional to 3,125.33, 4,313.55 and 2,007.68 is: 2,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.33 : 4,313.55 = 2,007.68 : x
  2. Step 2: Convert to fraction form
    3,125.33/4,313.55 = 2,007.68/x
  3. Step 3: Cross multiply
    3,125.33x = 4,313.55 × 2,007.68
  4. Step 4: Simplify right side
    3,125.33x = 8,660,206.50
  5. Step 5: Solve for x
    x = 8,660,206.50/3,125.33
  6. Step 6: Final answer
    x = 2,770.98

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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.