Home / 3,309.59-4,567.23-1,912.34

Finding the Fourth Proportional to 3,309.59, 4,567.23 and 1,912.34

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Solution

The fourth proportional to 3,309.59, 4,567.23 and 1,912.34 is: 2,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.59 : 4,567.23 = 1,912.34 : x
  2. Step 2: Convert to fraction form
    3,309.59/4,567.23 = 1,912.34/x
  3. Step 3: Cross multiply
    3,309.59x = 4,567.23 × 1,912.34
  4. Step 4: Simplify right side
    3,309.59x = 8,734,073.78
  5. Step 5: Solve for x
    x = 8,734,073.78/3,309.59
  6. Step 6: Final answer
    x = 2,639.02

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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.