Home / 3,389.55-4,674.96-2,270.13

Finding the Fourth Proportional to 3,389.55, 4,674.96 and 2,270.13

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Solution

The fourth proportional to 3,389.55, 4,674.96 and 2,270.13 is: 3,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.55 : 4,674.96 = 2,270.13 : x
  2. Step 2: Convert to fraction form
    3,389.55/4,674.96 = 2,270.13/x
  3. Step 3: Cross multiply
    3,389.55x = 4,674.96 × 2,270.13
  4. Step 4: Simplify right side
    3,389.55x = 10,612,766.94
  5. Step 5: Solve for x
    x = 10,612,766.94/3,389.55
  6. Step 6: Final answer
    x = 3,131.03

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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.