Home / 3,438.33-4,742.07-2,995.47

Finding the Fourth Proportional to 3,438.33, 4,742.07 and 2,995.47

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Solution

The fourth proportional to 3,438.33, 4,742.07 and 2,995.47 is: 4,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.33 : 4,742.07 = 2,995.47 : x
  2. Step 2: Convert to fraction form
    3,438.33/4,742.07 = 2,995.47/x
  3. Step 3: Cross multiply
    3,438.33x = 4,742.07 × 2,995.47
  4. Step 4: Simplify right side
    3,438.33x = 14,204,728.42
  5. Step 5: Solve for x
    x = 14,204,728.42/3,438.33
  6. Step 6: Final answer
    x = 4,131.29

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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.