Home / 2,246.41-3,369.45-947.75

Finding the Fourth Proportional to 2,246.41, 3,369.45 and 947.75

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Solution

The fourth proportional to 2,246.41, 3,369.45 and 947.75 is: 1,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.41 : 3,369.45 = 947.75 : x
  2. Step 2: Convert to fraction form
    2,246.41/3,369.45 = 947.75/x
  3. Step 3: Cross multiply
    2,246.41x = 3,369.45 × 947.75
  4. Step 4: Simplify right side
    2,246.41x = 3,193,396.24
  5. Step 5: Solve for x
    x = 3,193,396.24/2,246.41
  6. Step 6: Final answer
    x = 1,421.56

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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.