Home / 3,441.45-4,749.15-1,869.54

Finding the Fourth Proportional to 3,441.45, 4,749.15 and 1,869.54

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Solution

The fourth proportional to 3,441.45, 4,749.15 and 1,869.54 is: 2,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.45 : 4,749.15 = 1,869.54 : x
  2. Step 2: Convert to fraction form
    3,441.45/4,749.15 = 1,869.54/x
  3. Step 3: Cross multiply
    3,441.45x = 4,749.15 × 1,869.54
  4. Step 4: Simplify right side
    3,441.45x = 8,878,725.89
  5. Step 5: Solve for x
    x = 8,878,725.89/3,441.45
  6. Step 6: Final answer
    x = 2,579.94

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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.