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Finding the Fourth Proportional to 3,610.24, 4,972.78 and 3,368.32

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Solution

The fourth proportional to 3,610.24, 4,972.78 and 3,368.32 is: 4,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.24 : 4,972.78 = 3,368.32 : x
  2. Step 2: Convert to fraction form
    3,610.24/4,972.78 = 3,368.32/x
  3. Step 3: Cross multiply
    3,610.24x = 4,972.78 × 3,368.32
  4. Step 4: Simplify right side
    3,610.24x = 16,749,914.33
  5. Step 5: Solve for x
    x = 16,749,914.33/3,610.24
  6. Step 6: Final answer
    x = 4,639.56

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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.