Home / 3,419.48-5,138.85-2,033.07

Finding the Fourth Proportional to 3,419.48, 5,138.85 and 2,033.07

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Solution

The fourth proportional to 3,419.48, 5,138.85 and 2,033.07 is: 3,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.48 : 5,138.85 = 2,033.07 : x
  2. Step 2: Convert to fraction form
    3,419.48/5,138.85 = 2,033.07/x
  3. Step 3: Cross multiply
    3,419.48x = 5,138.85 × 2,033.07
  4. Step 4: Simplify right side
    3,419.48x = 10,447,641.77
  5. Step 5: Solve for x
    x = 10,447,641.77/3,419.48
  6. Step 6: Final answer
    x = 3,055.34

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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.