Home / 3,447.35-5,144.36-2,953.45

Finding the Fourth Proportional to 3,447.35, 5,144.36 and 2,953.45

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Solution

The fourth proportional to 3,447.35, 5,144.36 and 2,953.45 is: 4,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.35 : 5,144.36 = 2,953.45 : x
  2. Step 2: Convert to fraction form
    3,447.35/5,144.36 = 2,953.45/x
  3. Step 3: Cross multiply
    3,447.35x = 5,144.36 × 2,953.45
  4. Step 4: Simplify right side
    3,447.35x = 15,193,610.04
  5. Step 5: Solve for x
    x = 15,193,610.04/3,447.35
  6. Step 6: Final answer
    x = 4,407.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.