Home / 3,306.81-4,960.23-1,115.56

Finding the Fourth Proportional to 3,306.81, 4,960.23 and 1,115.56

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Solution

The fourth proportional to 3,306.81, 4,960.23 and 1,115.56 is: 1,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.81 : 4,960.23 = 1,115.56 : x
  2. Step 2: Convert to fraction form
    3,306.81/4,960.23 = 1,115.56/x
  3. Step 3: Cross multiply
    3,306.81x = 4,960.23 × 1,115.56
  4. Step 4: Simplify right side
    3,306.81x = 5,533,434.18
  5. Step 5: Solve for x
    x = 5,533,434.18/3,306.81
  6. Step 6: Final answer
    x = 1,673.35

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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.