Home / 3,434.05-5,138.75-2,973.41

Finding the Fourth Proportional to 3,434.05, 5,138.75 and 2,973.41

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Solution

The fourth proportional to 3,434.05, 5,138.75 and 2,973.41 is: 4,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.05 : 5,138.75 = 2,973.41 : x
  2. Step 2: Convert to fraction form
    3,434.05/5,138.75 = 2,973.41/x
  3. Step 3: Cross multiply
    3,434.05x = 5,138.75 × 2,973.41
  4. Step 4: Simplify right side
    3,434.05x = 15,279,610.64
  5. Step 5: Solve for x
    x = 15,279,610.64/3,434.05
  6. Step 6: Final answer
    x = 4,449.45

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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.