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Finding the Fourth Proportional to 2,903.50, 3,999.50 and 2,342.39

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Solution

The fourth proportional to 2,903.50, 3,999.50 and 2,342.39 is: 3,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.50 : 3,999.50 = 2,342.39 : x
  2. Step 2: Convert to fraction form
    2,903.50/3,999.50 = 2,342.39/x
  3. Step 3: Cross multiply
    2,903.50x = 3,999.50 × 2,342.39
  4. Step 4: Simplify right side
    2,903.50x = 9,368,406.90
  5. Step 5: Solve for x
    x = 9,368,406.90/2,903.50
  6. Step 6: Final answer
    x = 3,226.59

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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.