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Finding the Fourth Proportional to 2,246.72, 3,368.84 and 930.11

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Solution

The fourth proportional to 2,246.72, 3,368.84 and 930.11 is: 1,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.72 : 3,368.84 = 930.11 : x
  2. Step 2: Convert to fraction form
    2,246.72/3,368.84 = 930.11/x
  3. Step 3: Cross multiply
    2,246.72x = 3,368.84 × 930.11
  4. Step 4: Simplify right side
    2,246.72x = 3,133,370.28
  5. Step 5: Solve for x
    x = 3,133,370.28/2,246.72
  6. Step 6: Final answer
    x = 1,394.65

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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.