Home / 3,678.30-5,073.84-2,351.52

Finding the Fourth Proportional to 3,678.30, 5,073.84 and 2,351.52

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Solution

The fourth proportional to 3,678.30, 5,073.84 and 2,351.52 is: 3,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.30 : 5,073.84 = 2,351.52 : x
  2. Step 2: Convert to fraction form
    3,678.30/5,073.84 = 2,351.52/x
  3. Step 3: Cross multiply
    3,678.30x = 5,073.84 × 2,351.52
  4. Step 4: Simplify right side
    3,678.30x = 11,931,236.24
  5. Step 5: Solve for x
    x = 11,931,236.24/3,678.30
  6. Step 6: Final answer
    x = 3,243.68

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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.