Home / 3,428.48-5,144.34-1,237.43

Finding the Fourth Proportional to 3,428.48, 5,144.34 and 1,237.43

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Solution

The fourth proportional to 3,428.48, 5,144.34 and 1,237.43 is: 1,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.48 : 5,144.34 = 1,237.43 : x
  2. Step 2: Convert to fraction form
    3,428.48/5,144.34 = 1,237.43/x
  3. Step 3: Cross multiply
    3,428.48x = 5,144.34 × 1,237.43
  4. Step 4: Simplify right side
    3,428.48x = 6,365,734.92
  5. Step 5: Solve for x
    x = 6,365,734.92/3,428.48
  6. Step 6: Final answer
    x = 1,856.72

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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.