Home / 3,429.54-5,140.29-3,040.28

Finding the Fourth Proportional to 3,429.54, 5,140.29 and 3,040.28

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Solution

The fourth proportional to 3,429.54, 5,140.29 and 3,040.28 is: 4,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.54 : 5,140.29 = 3,040.28 : x
  2. Step 2: Convert to fraction form
    3,429.54/5,140.29 = 3,040.28/x
  3. Step 3: Cross multiply
    3,429.54x = 5,140.29 × 3,040.28
  4. Step 4: Simplify right side
    3,429.54x = 15,627,954.77
  5. Step 5: Solve for x
    x = 15,627,954.77/3,429.54
  6. Step 6: Final answer
    x = 4,556.87

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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.