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Finding the Fourth Proportional to 2,293.38, 3,438.25 and 993.94

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Solution

The fourth proportional to 2,293.38, 3,438.25 and 993.94 is: 1,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.38 : 3,438.25 = 993.94 : x
  2. Step 2: Convert to fraction form
    2,293.38/3,438.25 = 993.94/x
  3. Step 3: Cross multiply
    2,293.38x = 3,438.25 × 993.94
  4. Step 4: Simplify right side
    2,293.38x = 3,417,403.12
  5. Step 5: Solve for x
    x = 3,417,403.12/2,293.38
  6. Step 6: Final answer
    x = 1,490.12

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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.