Home / 3,448.90-4,758.78-3,330.37

Finding the Fourth Proportional to 3,448.90, 4,758.78 and 3,330.37

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Solution

The fourth proportional to 3,448.90, 4,758.78 and 3,330.37 is: 4,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.90 : 4,758.78 = 3,330.37 : x
  2. Step 2: Convert to fraction form
    3,448.90/4,758.78 = 3,330.37/x
  3. Step 3: Cross multiply
    3,448.90x = 4,758.78 × 3,330.37
  4. Step 4: Simplify right side
    3,448.90x = 15,848,498.15
  5. Step 5: Solve for x
    x = 15,848,498.15/3,448.90
  6. Step 6: Final answer
    x = 4,595.23

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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.