Home / 3,486.96-5,225.40-1,944.72

Finding the Fourth Proportional to 3,486.96, 5,225.40 and 1,944.72

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Solution

The fourth proportional to 3,486.96, 5,225.40 and 1,944.72 is: 2,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.96 : 5,225.40 = 1,944.72 : x
  2. Step 2: Convert to fraction form
    3,486.96/5,225.40 = 1,944.72/x
  3. Step 3: Cross multiply
    3,486.96x = 5,225.40 × 1,944.72
  4. Step 4: Simplify right side
    3,486.96x = 10,161,939.89
  5. Step 5: Solve for x
    x = 10,161,939.89/3,486.96
  6. Step 6: Final answer
    x = 2,914.27

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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.