Home / 3,311.55-4,567.27-2,912.35

Finding the Fourth Proportional to 3,311.55, 4,567.27 and 2,912.35

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Solution

The fourth proportional to 3,311.55, 4,567.27 and 2,912.35 is: 4,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.55 : 4,567.27 = 2,912.35 : x
  2. Step 2: Convert to fraction form
    3,311.55/4,567.27 = 2,912.35/x
  3. Step 3: Cross multiply
    3,311.55x = 4,567.27 × 2,912.35
  4. Step 4: Simplify right side
    3,311.55x = 13,301,488.78
  5. Step 5: Solve for x
    x = 13,301,488.78/3,311.55
  6. Step 6: Final answer
    x = 4,016.70

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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.